diff options
Diffstat (limited to 'src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping')
3 files changed, 132 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.lock b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.lock new file mode 100644 index 000000000..0a2f222c2 --- /dev/null +++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.lock @@ -0,0 +1,83 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "cfg-if" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" + +[[package]] +name = "getrandom" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8" +dependencies = [ + "cfg-if", + "libc", + "wasi", +] + +[[package]] +name = "guessing_game" +version = "0.1.0" +dependencies = [ + "rand", +] + +[[package]] +name = "libc" +version = "0.2.86" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c" + +[[package]] +name = "ppv-lite86" +version = "0.2.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857" + +[[package]] +name = "rand" +version = "0.8.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e" +dependencies = [ + "libc", + "rand_chacha", + "rand_core", + "rand_hc", +] + +[[package]] +name = "rand_chacha" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d" +dependencies = [ + "ppv-lite86", + "rand_core", +] + +[[package]] +name = "rand_core" +version = "0.6.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7" +dependencies = [ + "getrandom", +] + +[[package]] +name = "rand_hc" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73" +dependencies = [ + "rand_core", +] + +[[package]] +name = "wasi" +version = "0.10.2+wasi-snapshot-preview1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6" diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.toml b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.toml new file mode 100644 index 000000000..cc63f6f02 --- /dev/null +++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/Cargo.toml @@ -0,0 +1,9 @@ +[package] +name = "guessing_game" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +rand = "0.8.3" diff --git a/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/src/main.rs b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/src/main.rs new file mode 100644 index 000000000..f97d1c58c --- /dev/null +++ b/src/doc/book/listings/ch02-guessing-game-tutorial/no-listing-04-looping/src/main.rs @@ -0,0 +1,40 @@ +use rand::Rng; +use std::cmp::Ordering; +use std::io; + +fn main() { + println!("Guess the number!"); + + let secret_number = rand::thread_rng().gen_range(1..=100); + + // ANCHOR: here + // --snip-- + + println!("The secret number is: {secret_number}"); + + loop { + println!("Please input your guess."); + + // --snip-- + + // ANCHOR_END: here + + let mut guess = String::new(); + + io::stdin() + .read_line(&mut guess) + .expect("Failed to read line"); + + let guess: u32 = guess.trim().parse().expect("Please type a number!"); + + println!("You guessed: {guess}"); + + // ANCHOR: here + match guess.cmp(&secret_number) { + Ordering::Less => println!("Too small!"), + Ordering::Greater => println!("Too big!"), + Ordering::Equal => println!("You win!"), + } + } +} +// ANCHOR_END: here |