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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
| commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
| tree | 173a775858bd501c378080a10dca74132f05bc50 /src/doc/book/listings/ch13-functional-features/listing-13-14 | |
| parent | Initial commit. (diff) | |
| download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip | |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/doc/book/listings/ch13-functional-features/listing-13-14')
4 files changed, 33 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-14/Cargo.lock b/src/doc/book/listings/ch13-functional-features/listing-13-14/Cargo.lock new file mode 100644 index 000000000..e91eaa8d4 --- /dev/null +++ b/src/doc/book/listings/ch13-functional-features/listing-13-14/Cargo.lock @@ -0,0 +1,6 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "iterators" +version = "0.1.0" + diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-14/Cargo.toml b/src/doc/book/listings/ch13-functional-features/listing-13-14/Cargo.toml new file mode 100644 index 000000000..2652a8a1a --- /dev/null +++ b/src/doc/book/listings/ch13-functional-features/listing-13-14/Cargo.toml @@ -0,0 +1,6 @@ +[package] +name = "iterators" +version = "0.1.0" +edition = "2021" + +[dependencies] diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-14/output.txt b/src/doc/book/listings/ch13-functional-features/listing-13-14/output.txt new file mode 100644 index 000000000..228c764ed --- /dev/null +++ b/src/doc/book/listings/ch13-functional-features/listing-13-14/output.txt @@ -0,0 +1,14 @@ +$ cargo run + Compiling iterators v0.1.0 (file:///projects/iterators) +warning: unused `Map` that must be used + --> src/main.rs:4:5 + | +4 | v1.iter().map(|x| x + 1); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `#[warn(unused_must_use)]` on by default + = note: iterators are lazy and do nothing unless consumed + +warning: `iterators` (bin "iterators") generated 1 warning + Finished dev [unoptimized + debuginfo] target(s) in 0.47s + Running `target/debug/iterators` diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-14/src/main.rs b/src/doc/book/listings/ch13-functional-features/listing-13-14/src/main.rs new file mode 100644 index 000000000..62a68be9b --- /dev/null +++ b/src/doc/book/listings/ch13-functional-features/listing-13-14/src/main.rs @@ -0,0 +1,7 @@ +fn main() { + // ANCHOR: here + let v1: Vec<i32> = vec![1, 2, 3]; + + v1.iter().map(|x| x + 1); + // ANCHOR_END: here +} |