diff options
Diffstat (limited to 'src/doc/book/listings/ch13-functional-features/listing-13-05')
4 files changed, 27 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-05/Cargo.lock b/src/doc/book/listings/ch13-functional-features/listing-13-05/Cargo.lock new file mode 100644 index 000000000..75ff09e51 --- /dev/null +++ b/src/doc/book/listings/ch13-functional-features/listing-13-05/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "workout-app" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-05/Cargo.toml b/src/doc/book/listings/ch13-functional-features/listing-13-05/Cargo.toml new file mode 100644 index 000000000..914c4cfaa --- /dev/null +++ b/src/doc/book/listings/ch13-functional-features/listing-13-05/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "closure-example" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-05/output.txt b/src/doc/book/listings/ch13-functional-features/listing-13-05/output.txt new file mode 100644 index 000000000..ce0ad5e37 --- /dev/null +++ b/src/doc/book/listings/ch13-functional-features/listing-13-05/output.txt @@ -0,0 +1,6 @@ +$ cargo run + Compiling closure-example v0.1.0 (file:///projects/closure-example) + Finished dev [unoptimized + debuginfo] target(s) in 0.43s + Running `target/debug/closure-example` +Before defining closure: [1, 2, 3] +After calling closure: [1, 2, 3, 7] diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-05/src/main.rs b/src/doc/book/listings/ch13-functional-features/listing-13-05/src/main.rs new file mode 100644 index 000000000..37f8130e2 --- /dev/null +++ b/src/doc/book/listings/ch13-functional-features/listing-13-05/src/main.rs @@ -0,0 +1,9 @@ +fn main() { + let mut list = vec![1, 2, 3]; + println!("Before defining closure: {:?}", list); + + let mut borrows_mutably = || list.push(7); + + borrows_mutably(); + println!("After calling closure: {:?}", list); +} |