diff options
Diffstat (limited to 'src/doc/book/listings/ch12-an-io-project')
149 files changed, 2550 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-01/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-01/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-01/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-01/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-01/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-01/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-01/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-01/output.txt new file mode 100644 index 000000000..529115f8d --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-01/output.txt @@ -0,0 +1,7 @@ +$ cargo run + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.61s + Running `target/debug/minigrep` +[src/main.rs:5] args = [ + "target/debug/minigrep", +] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-01/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-01/src/main.rs new file mode 100644 index 000000000..ae7def53d --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-01/src/main.rs @@ -0,0 +1,6 @@ +use std::env; + +fn main() { + let args: Vec<String> = env::args().collect(); + dbg!(args); +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-02/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-02/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-02/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-02/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-02/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-02/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-02/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-02/output.txt new file mode 100644 index 000000000..6ef87f7ce --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-02/output.txt @@ -0,0 +1,6 @@ +$ cargo run -- test sample.txt + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.0s + Running `target/debug/minigrep test sample.txt` +Searching for test +In file sample.txt diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-02/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-02/src/main.rs new file mode 100644 index 000000000..ae2fa7bb1 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-02/src/main.rs @@ -0,0 +1,11 @@ +use std::env; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let query = &args[1]; + let file_path = &args[2]; + + println!("Searching for {}", query); + println!("In file {}", file_path); +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-03/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-03/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-03/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-03/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-03/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-03/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-03/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-03/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-03/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-03/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-03/src/main.rs new file mode 100644 index 000000000..ae2fa7bb1 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-03/src/main.rs @@ -0,0 +1,11 @@ +use std::env; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let query = &args[1]; + let file_path = &args[2]; + + println!("Searching for {}", query); + println!("In file {}", file_path); +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-04/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-04/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-04/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-04/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-04/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-04/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-04/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-04/output.txt new file mode 100644 index 000000000..6582ca169 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-04/output.txt @@ -0,0 +1,17 @@ +$ cargo run -- the poem.txt + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.0s + Running `target/debug/minigrep the poem.txt` +Searching for the +In file poem.txt +With text: +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-04/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-04/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-04/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-04/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-04/src/main.rs new file mode 100644 index 000000000..944e4300e --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-04/src/main.rs @@ -0,0 +1,22 @@ +// ANCHOR: here +use std::env; +use std::fs; + +fn main() { + // --snip-- + // ANCHOR_END: here + let args: Vec<String> = env::args().collect(); + + let query = &args[1]; + let file_path = &args[2]; + + println!("Searching for {}", query); + // ANCHOR: here + println!("In file {}", file_path); + + let contents = fs::read_to_string(file_path) + .expect("Should have been able to read the file"); + + println!("With text:\n{contents}"); +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-05/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-05/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-05/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-05/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-05/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-05/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-05/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-05/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-05/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-05/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-05/src/main.rs new file mode 100644 index 000000000..061591833 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-05/src/main.rs @@ -0,0 +1,29 @@ +use std::env; +use std::fs; + +// ANCHOR: here +fn main() { + let args: Vec<String> = env::args().collect(); + + let (query, file_path) = parse_config(&args); + + // --snip-- + // ANCHOR_END: here + + println!("Searching for {}", query); + println!("In file {}", file_path); + + let contents = fs::read_to_string(file_path) + .expect("Should have been able to read the file"); + + println!("With text:\n{contents}"); + // ANCHOR: here +} + +fn parse_config(args: &[String]) -> (&str, &str) { + let query = &args[1]; + let file_path = &args[2]; + + (query, file_path) +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-06/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-06/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-06/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-06/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-06/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-06/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-06/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-06/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-06/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-06/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-06/src/main.rs new file mode 100644 index 000000000..c77e848d8 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-06/src/main.rs @@ -0,0 +1,34 @@ +use std::env; +use std::fs; + +// ANCHOR: here +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = parse_config(&args); + + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + let contents = fs::read_to_string(config.file_path) + .expect("Should have been able to read the file"); + + // --snip-- + // ANCHOR_END: here + + println!("With text:\n{contents}"); + // ANCHOR: here +} + +struct Config { + query: String, + file_path: String, +} + +fn parse_config(args: &[String]) -> Config { + let query = args[1].clone(); + let file_path = args[2].clone(); + + Config { query, file_path } +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-07/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-07/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-07/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-07/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-07/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-07/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-07/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-07/output.txt new file mode 100644 index 000000000..d3fa7777d --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-07/output.txt @@ -0,0 +1,6 @@ +$ cargo run + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.0s + Running `target/debug/minigrep` +thread 'main' panicked at 'index out of bounds: the len is 1 but the index is 1', src/main.rs:27:21 +note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-07/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-07/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-07/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-07/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-07/src/main.rs new file mode 100644 index 000000000..ff6c29420 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-07/src/main.rs @@ -0,0 +1,40 @@ +use std::env; +use std::fs; + +// ANCHOR: here +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::new(&args); + // ANCHOR_END: here + + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + let contents = fs::read_to_string(config.file_path) + .expect("Should have been able to read the file"); + + println!("With text:\n{contents}"); + // ANCHOR: here + + // --snip-- +} + +// --snip-- + +// ANCHOR_END: here +struct Config { + query: String, + file_path: String, +} + +// ANCHOR: here +impl Config { + fn new(args: &[String]) -> Config { + let query = args[1].clone(); + let file_path = args[2].clone(); + + Config { query, file_path } + } +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-08/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-08/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-08/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-08/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-08/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-08/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-08/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-08/output.txt new file mode 100644 index 000000000..de2abd1af --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-08/output.txt @@ -0,0 +1,6 @@ +$ cargo run + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.0s + Running `target/debug/minigrep` +thread 'main' panicked at 'not enough arguments', src/main.rs:26:13 +note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-08/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-08/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-08/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-08/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-08/src/main.rs new file mode 100644 index 000000000..cecd15abf --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-08/src/main.rs @@ -0,0 +1,38 @@ +use std::env; +use std::fs; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::new(&args); + + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + let contents = fs::read_to_string(config.file_path) + .expect("Should have been able to read the file"); + + println!("With text:\n{contents}"); +} + +struct Config { + query: String, + file_path: String, +} + +impl Config { + // ANCHOR: here + // --snip-- + fn new(args: &[String]) -> Config { + if args.len() < 3 { + panic!("not enough arguments"); + } + // --snip-- + // ANCHOR_END: here + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Config { query, file_path } + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-09/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-09/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-09/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-09/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-09/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-09/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-09/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-09/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-09/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-09/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-09/src/main.rs new file mode 100644 index 000000000..3418e718c --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-09/src/main.rs @@ -0,0 +1,36 @@ +use std::env; +use std::fs; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::new(&args); + + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + let contents = fs::read_to_string(config.file_path) + .expect("Should have been able to read the file"); + + println!("With text:\n{contents}"); +} + +struct Config { + query: String, + file_path: String, +} + +// ANCHOR: here +impl Config { + fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-10/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-10/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-10/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-10/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-10/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-10/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-10/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-10/output.txt new file mode 100644 index 000000000..7aad57f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-10/output.txt @@ -0,0 +1,5 @@ +$ cargo run + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.48s + Running `target/debug/minigrep` +Problem parsing arguments: not enough arguments diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-10/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-10/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-10/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-10/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-10/src/main.rs new file mode 100644 index 000000000..ab6d3e548 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-10/src/main.rs @@ -0,0 +1,42 @@ +use std::env; +use std::fs; +// ANCHOR: here +use std::process; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + // --snip-- + // ANCHOR_END: here + + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + let contents = fs::read_to_string(config.file_path) + .expect("Should have been able to read the file"); + + println!("With text:\n{contents}"); +} + +struct Config { + query: String, + file_path: String, +} + +impl Config { + fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-11/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-11/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-11/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-11/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-11/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-11/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-11/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-11/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-11/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-11/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-11/src/main.rs new file mode 100644 index 000000000..3f476b975 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-11/src/main.rs @@ -0,0 +1,50 @@ +use std::env; +use std::fs; +use std::process; + +// ANCHOR: here +fn main() { + // --snip-- + + // ANCHOR_END: here + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + // ANCHOR: here + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + run(config); +} + +fn run(config: Config) { + let contents = fs::read_to_string(config.file_path) + .expect("Should have been able to read the file"); + + println!("With text:\n{contents}"); +} + +// --snip-- +// ANCHOR_END: here + +struct Config { + query: String, + file_path: String, +} + +impl Config { + fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-12/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-12/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-12/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-12/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-12/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-12/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-12/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-12/output.txt new file mode 100644 index 000000000..c18902518 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-12/output.txt @@ -0,0 +1,27 @@ +$ cargo run the poem.txt + Compiling minigrep v0.1.0 (file:///projects/minigrep) +warning: unused `Result` that must be used + --> src/main.rs:19:5 + | +19 | run(config); + | ^^^^^^^^^^^^ + | + = note: `#[warn(unused_must_use)]` on by default + = note: this `Result` may be an `Err` variant, which should be handled + +warning: `minigrep` (bin "minigrep") generated 1 warning + Finished dev [unoptimized + debuginfo] target(s) in 0.71s + Running `target/debug/minigrep the poem.txt` +Searching for the +In file poem.txt +With text: +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-12/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-12/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-12/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-12/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-12/src/main.rs new file mode 100644 index 000000000..ab5fdb894 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-12/src/main.rs @@ -0,0 +1,51 @@ +use std::env; +use std::fs; +use std::process; +// ANCHOR: here +use std::error::Error; + +// --snip-- + +// ANCHOR_END: here + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + run(config); +} + +// ANCHOR: here +fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + println!("With text:\n{contents}"); + + Ok(()) +} +// ANCHOR_END: here + +struct Config { + query: String, + file_path: String, +} + +impl Config { + fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-13/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-13/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-13/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-13/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-13/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-13/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-13/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-13/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-13/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-13/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-13/src/lib.rs new file mode 100644 index 000000000..1a3c48089 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-13/src/lib.rs @@ -0,0 +1,36 @@ +// ANCHOR: here +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + // --snip-- + // ANCHOR_END: here + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + // ANCHOR: here + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + // --snip-- + // ANCHOR_END: here + let contents = fs::read_to_string(config.file_path)?; + + println!("With text:\n{contents}"); + + Ok(()) + // ANCHOR: here +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-13/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-13/src/main.rs new file mode 100644 index 000000000..09756ca3f --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-13/src/main.rs @@ -0,0 +1,19 @@ +use std::env; +use std::process; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + if let Err(e) = run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-14/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-14/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-14/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-14/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-14/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-14/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-14/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-14/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-14/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-14/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-14/src/lib.rs new file mode 100644 index 000000000..4f3a4e865 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-14/src/lib.rs @@ -0,0 +1,28 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + println!("With text:\n{contents}"); + + Ok(()) +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-14/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-14/src/main.rs new file mode 100644 index 000000000..3b76009b5 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-14/src/main.rs @@ -0,0 +1,29 @@ +// ANCHOR: here +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + // --snip-- + // ANCHOR_END: here + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + // ANCHOR: here + if let Err(e) = minigrep::run(config) { + // --snip-- + // ANCHOR_END: here + println!("Application error: {e}"); + process::exit(1); + // ANCHOR: here + } +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-15/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-15/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-15/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-15/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-15/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-15/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-15/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-15/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-15/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-15/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-15/src/lib.rs new file mode 100644 index 000000000..20c4a782b --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-15/src/lib.rs @@ -0,0 +1,44 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + Ok(()) +} + +// ANCHOR: here +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-15/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-15/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-15/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-16/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-16/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-16/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-16/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-16/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-16/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-16/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-16/output.txt new file mode 100644 index 000000000..d0cda6024 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-16/output.txt @@ -0,0 +1,23 @@ +$ cargo test + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished test [unoptimized + debuginfo] target(s) in 0.97s + Running unittests src/lib.rs (target/debug/deps/minigrep-9cd200e5fac0fc94) + +running 1 test +test tests::one_result ... FAILED + +failures: + +---- tests::one_result stdout ---- +thread 'main' panicked at 'assertion failed: `(left == right)` + left: `["safe, fast, productive."]`, + right: `[]`', src/lib.rs:44:9 +note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace + + +failures: + tests::one_result + +test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s + +error: test failed, to rerun pass '--lib' diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-16/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-16/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-16/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-16/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-16/src/lib.rs new file mode 100644 index 000000000..f5e593484 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-16/src/lib.rs @@ -0,0 +1,48 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + Ok(()) +} + +// ANCHOR: here +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + vec![] +} +// ANCHOR_END: here + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-16/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-16/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-16/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-17/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-17/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-17/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-17/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-17/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-17/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-17/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-17/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-17/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-17/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-17/src/lib.rs new file mode 100644 index 000000000..cb9fab401 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-17/src/lib.rs @@ -0,0 +1,50 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + Ok(()) +} + +// ANCHOR: here +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + for line in contents.lines() { + // do something with line + } +} +// ANCHOR_END: here + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-17/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-17/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-17/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-18/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-18/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-18/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-18/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-18/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-18/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-18/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-18/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-18/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-18/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-18/src/lib.rs new file mode 100644 index 000000000..a05d046d7 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-18/src/lib.rs @@ -0,0 +1,52 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + Ok(()) +} + +// ANCHOR: here +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + for line in contents.lines() { + if line.contains(query) { + // do something with line + } + } +} +// ANCHOR_END: here + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-18/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-18/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-18/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-19/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-19/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-19/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-19/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-19/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-19/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-19/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-19/output.txt new file mode 100644 index 000000000..9b2078cb8 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-19/output.txt @@ -0,0 +1,22 @@ +$ cargo test + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished test [unoptimized + debuginfo] target(s) in 1.22s + Running unittests src/lib.rs (target/debug/deps/minigrep-9cd200e5fac0fc94) + +running 1 test +test tests::one_result ... ok + +test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s + + Running unittests src/main.rs (target/debug/deps/minigrep-9cd200e5fac0fc94) + +running 0 tests + +test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s + + Doc-tests minigrep + +running 0 tests + +test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-19/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-19/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-19/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-19/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-19/src/lib.rs new file mode 100644 index 000000000..f5d3ffa9f --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-19/src/lib.rs @@ -0,0 +1,58 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + Ok(()) +} + +// ANCHOR: here +// ANCHOR: ch13 +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} +// ANCHOR_END: ch13 +// ANCHOR_END: here + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-19/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-19/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-19/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-20/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-20/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-20/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-20/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-20/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-20/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-20/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-20/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-20/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-20/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-20/src/lib.rs new file mode 100644 index 000000000..a757f7f55 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-20/src/lib.rs @@ -0,0 +1,76 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + for line in search(&config.query, &contents) { + println!("{line}"); + } + + Ok(()) +} + +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} + +// ANCHOR: here +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn case_sensitive() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Duct tape."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } + + #[test] + fn case_insensitive() { + let query = "rUsT"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Trust me."; + + assert_eq!( + vec!["Rust:", "Trust me."], + search_case_insensitive(query, contents) + ); + } +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-20/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-20/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-20/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-21/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-21/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-21/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-21/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-21/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-21/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-21/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-21/output.txt new file mode 100644 index 000000000..dafeb7862 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-21/output.txt @@ -0,0 +1,23 @@ +$ cargo test + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished test [unoptimized + debuginfo] target(s) in 1.33s + Running unittests src/lib.rs (target/debug/deps/minigrep-9cd200e5fac0fc94) + +running 2 tests +test tests::case_insensitive ... ok +test tests::case_sensitive ... ok + +test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s + + Running unittests src/main.rs (target/debug/deps/minigrep-9cd200e5fac0fc94) + +running 0 tests + +test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s + + Doc-tests minigrep + +running 0 tests + +test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-21/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-21/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-21/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-21/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-21/src/lib.rs new file mode 100644 index 000000000..3aaa04082 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-21/src/lib.rs @@ -0,0 +1,92 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + for line in search(&config.query, &contents) { + println!("{line}"); + } + + Ok(()) +} + +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} + +// ANCHOR: here +pub fn search_case_insensitive<'a>( + query: &str, + contents: &'a str, +) -> Vec<&'a str> { + let query = query.to_lowercase(); + let mut results = Vec::new(); + + for line in contents.lines() { + if line.to_lowercase().contains(&query) { + results.push(line); + } + } + + results +} +// ANCHOR_END: here + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn case_sensitive() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Duct tape."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } + + #[test] + fn case_insensitive() { + let query = "rUsT"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Trust me."; + + assert_eq!( + vec!["Rust:", "Trust me."], + search_case_insensitive(query, contents) + ); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-21/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-21/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-21/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-22/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-22/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-22/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-22/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-22/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-22/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-22/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-22/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-22/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-22/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-22/src/lib.rs new file mode 100644 index 000000000..c3f4723f1 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-22/src/lib.rs @@ -0,0 +1,101 @@ +use std::error::Error; +use std::fs; + +// ANCHOR: here +pub struct Config { + pub query: String, + pub file_path: String, + pub ignore_case: bool, +} +// ANCHOR_END: here + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +// ANCHOR: there +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + let results = if config.ignore_case { + search_case_insensitive(&config.query, &contents) + } else { + search(&config.query, &contents) + }; + + for line in results { + println!("{line}"); + } + + Ok(()) +} +// ANCHOR_END: there + +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} + +pub fn search_case_insensitive<'a>( + query: &str, + contents: &'a str, +) -> Vec<&'a str> { + let query = query.to_lowercase(); + let mut results = Vec::new(); + + for line in contents.lines() { + if line.to_lowercase().contains(&query) { + results.push(line); + } + } + + results +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn case_sensitive() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Duct tape."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } + + #[test] + fn case_insensitive() { + let query = "rUsT"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Trust me."; + + assert_eq!( + vec!["Rust:", "Trust me."], + search_case_insensitive(query, contents) + ); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-22/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-22/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-22/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-23/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-23/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-23/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-23/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-23/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-23/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-23/output.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-23/output.txt new file mode 100644 index 000000000..eaffc2f24 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-23/output.txt @@ -0,0 +1,6 @@ +$ cargo run -- to poem.txt + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.0s + Running `target/debug/minigrep to poem.txt` +Are you nobody, too? +How dreary to be somebody! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-23/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-23/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-23/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-23/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-23/src/lib.rs new file mode 100644 index 000000000..20eda2197 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-23/src/lib.rs @@ -0,0 +1,110 @@ +// ANCHOR: here +use std::env; +// --snip-- + +// ANCHOR_END: here +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, + pub ignore_case: bool, +} + +// ANCHOR: here +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + let ignore_case = env::var("IGNORE_CASE").is_ok(); + + Ok(Config { + query, + file_path, + ignore_case, + }) + } +} +// ANCHOR_END: here + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + let results = if config.ignore_case { + search_case_insensitive(&config.query, &contents) + } else { + search(&config.query, &contents) + }; + + for line in results { + println!("{line}"); + } + + Ok(()) +} + +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} + +pub fn search_case_insensitive<'a>( + query: &str, + contents: &'a str, +) -> Vec<&'a str> { + let query = query.to_lowercase(); + let mut results = Vec::new(); + + for line in contents.lines() { + if line.to_lowercase().contains(&query) { + results.push(line); + } + } + + results +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn case_sensitive() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Duct tape."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } + + #[test] + fn case_insensitive() { + let query = "rUsT"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Trust me."; + + assert_eq!( + vec!["Rust:", "Trust me."], + search_case_insensitive(query, contents) + ); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-23/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-23/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-23/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-24/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/listing-12-24/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-24/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-24/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/listing-12-24/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-24/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-24/poem.txt b/src/doc/book/listings/ch12-an-io-project/listing-12-24/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-24/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-24/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-24/src/lib.rs new file mode 100644 index 000000000..292b09789 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-24/src/lib.rs @@ -0,0 +1,104 @@ +use std::env; +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, + pub ignore_case: bool, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + let ignore_case = env::var("IGNORE_CASE").is_ok(); + + Ok(Config { + query, + file_path, + ignore_case, + }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + let results = if config.ignore_case { + search_case_insensitive(&config.query, &contents) + } else { + search(&config.query, &contents) + }; + + for line in results { + println!("{line}"); + } + + Ok(()) +} + +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} + +pub fn search_case_insensitive<'a>( + query: &str, + contents: &'a str, +) -> Vec<&'a str> { + let query = query.to_lowercase(); + let mut results = Vec::new(); + + for line in contents.lines() { + if line.to_lowercase().contains(&query) { + results.push(line); + } + } + + results +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn case_sensitive() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Duct tape."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } + + #[test] + fn case_insensitive() { + let query = "rUsT"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three. +Trust me."; + + assert_eq!( + vec!["Rust:", "Trust me."], + search_case_insensitive(query, contents) + ); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/listing-12-24/src/main.rs b/src/doc/book/listings/ch12-an-io-project/listing-12-24/src/main.rs new file mode 100644 index 000000000..1278a6c17 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/listing-12-24/src/main.rs @@ -0,0 +1,20 @@ +use std::env; +use std::process; + +use minigrep::Config; + +// ANCHOR: here +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + eprintln!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + eprintln!("Application error: {e}"); + process::exit(1); + } +} +// ANCHOR_END: here diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/poem.txt b/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/src/main.rs b/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/src/main.rs new file mode 100644 index 000000000..e51319efe --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-01-handling-errors-in-main/src/main.rs @@ -0,0 +1,53 @@ +use std::env; +use std::error::Error; +use std::fs; +use std::process; + +// ANCHOR: here +fn main() { + // --snip-- + + // ANCHOR_END: here + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + // ANCHOR: here + println!("Searching for {}", config.query); + println!("In file {}", config.file_path); + + if let Err(e) = run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} +// ANCHOR_END: here + +fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + println!("With text:\n{contents}"); + + Ok(()) +} + +struct Config { + query: String, + file_path: String, +} + +impl Config { + fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/output.txt b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/output.txt new file mode 100644 index 000000000..a5a4ef8c2 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/output.txt @@ -0,0 +1,5 @@ +$ cargo run -- frog poem.txt + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.38s + Running `target/debug/minigrep frog poem.txt` +How public, like a frog diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/poem.txt b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/src/lib.rs new file mode 100644 index 000000000..e06eae4cd --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/src/lib.rs @@ -0,0 +1,60 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +// ANCHOR: here +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + for line in search(&config.query, &contents) { + println!("{line}"); + } + + Ok(()) +} +// ANCHOR_END: here + +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/src/main.rs b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/no-listing-02-using-search-in-run/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/output.txt b/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/output.txt new file mode 100644 index 000000000..b48bb0e10 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/output.txt @@ -0,0 +1,9 @@ +$ cargo run -- needle haystack + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 1.57s + Running `target/debug/minigrep needle haystack` +[src/main.rs:5] args = [ + "target/debug/minigrep", + "needle", + "haystack", +] diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/src/main.rs b/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/src/main.rs new file mode 100644 index 000000000..ae7def53d --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/src/main.rs @@ -0,0 +1,6 @@ +use std::env; + +fn main() { + let args: Vec<String> = env::args().collect(); + dbg!(args); +} diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/output.txt b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/output.txt new file mode 100644 index 000000000..93116dd5e --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/output.txt @@ -0,0 +1,16 @@ +$ cargo build + Compiling minigrep v0.1.0 (file:///projects/minigrep) +error[E0106]: missing lifetime specifier + --> src/lib.rs:28:51 + | +28 | pub fn search(query: &str, contents: &str) -> Vec<&str> { + | ---- ---- ^ expected named lifetime parameter + | + = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `query` or `contents` +help: consider introducing a named lifetime parameter + | +28 | pub fn search<'a>(query: &'a str, contents: &'a str) -> Vec<&'a str> { + | ++++ ++ ++ ++ + +For more information about this error, try `rustc --explain E0106`. +error: could not compile `minigrep` due to previous error diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/poem.txt b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/src/lib.rs new file mode 100644 index 000000000..df623bdea --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/src/lib.rs @@ -0,0 +1,48 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + Ok(()) +} + +// ANCHOR: here +pub fn search(query: &str, contents: &str) -> Vec<&str> { + vec![] +} +// ANCHOR_END: here + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/src/main.rs b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-02-missing-lifetimes/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/output.txt b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/output.txt new file mode 100644 index 000000000..b46835766 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/output.txt @@ -0,0 +1,7 @@ +$ cargo run -- body poem.txt + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.0s + Running `target/debug/minigrep body poem.txt` +I'm nobody! Who are you? +Are you nobody, too? +How dreary to be somebody! diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/poem.txt b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/src/lib.rs new file mode 100644 index 000000000..e06eae4cd --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/src/lib.rs @@ -0,0 +1,60 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +// ANCHOR: here +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + for line in search(&config.query, &contents) { + println!("{line}"); + } + + Ok(()) +} +// ANCHOR_END: here + +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/src/main.rs b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-03-multiple-matches/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/Cargo.lock b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/Cargo.lock new file mode 100644 index 000000000..88bf82d16 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "minigrep" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/Cargo.toml b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/Cargo.toml new file mode 100644 index 000000000..64c2a3f52 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "minigrep" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/output.txt b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/output.txt new file mode 100644 index 000000000..a53624f83 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/output.txt @@ -0,0 +1,4 @@ +$ cargo run -- monomorphization poem.txt + Compiling minigrep v0.1.0 (file:///projects/minigrep) + Finished dev [unoptimized + debuginfo] target(s) in 0.0s + Running `target/debug/minigrep monomorphization poem.txt` diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/poem.txt b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/poem.txt new file mode 100644 index 000000000..870752731 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/poem.txt @@ -0,0 +1,9 @@ +I'm nobody! Who are you? +Are you nobody, too? +Then there's a pair of us - don't tell! +They'd banish us, you know. + +How dreary to be somebody! +How public, like a frog +To tell your name the livelong day +To an admiring bog! diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/src/lib.rs b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/src/lib.rs new file mode 100644 index 000000000..e06eae4cd --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/src/lib.rs @@ -0,0 +1,60 @@ +use std::error::Error; +use std::fs; + +pub struct Config { + pub query: String, + pub file_path: String, +} + +impl Config { + pub fn build(args: &[String]) -> Result<Config, &'static str> { + if args.len() < 3 { + return Err("not enough arguments"); + } + + let query = args[1].clone(); + let file_path = args[2].clone(); + + Ok(Config { query, file_path }) + } +} + +// ANCHOR: here +pub fn run(config: Config) -> Result<(), Box<dyn Error>> { + let contents = fs::read_to_string(config.file_path)?; + + for line in search(&config.query, &contents) { + println!("{line}"); + } + + Ok(()) +} +// ANCHOR_END: here + +pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { + let mut results = Vec::new(); + + for line in contents.lines() { + if line.contains(query) { + results.push(line); + } + } + + results +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn one_result() { + let query = "duct"; + let contents = "\ +Rust: +safe, fast, productive. +Pick three."; + + assert_eq!(vec!["safe, fast, productive."], search(query, contents)); + } +} diff --git a/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/src/main.rs b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/src/main.rs new file mode 100644 index 000000000..a4f8a7411 --- /dev/null +++ b/src/doc/book/listings/ch12-an-io-project/output-only-04-no-matches/src/main.rs @@ -0,0 +1,18 @@ +use std::env; +use std::process; + +use minigrep::Config; + +fn main() { + let args: Vec<String> = env::args().collect(); + + let config = Config::build(&args).unwrap_or_else(|err| { + println!("Problem parsing arguments: {err}"); + process::exit(1); + }); + + if let Err(e) = minigrep::run(config) { + println!("Application error: {e}"); + process::exit(1); + } +} |