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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/map_identity.fixed | |
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/tools/clippy/tests/ui/map_identity.fixed')
-rw-r--r-- | src/tools/clippy/tests/ui/map_identity.fixed | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/map_identity.fixed b/src/tools/clippy/tests/ui/map_identity.fixed new file mode 100644 index 000000000..2256e51f2 --- /dev/null +++ b/src/tools/clippy/tests/ui/map_identity.fixed @@ -0,0 +1,25 @@ +// run-rustfix +#![warn(clippy::map_identity)] +#![allow(clippy::needless_return)] + +fn main() { + let x: [u16; 3] = [1, 2, 3]; + // should lint + let _: Vec<_> = x.iter().map(not_identity).collect(); + let _: Vec<_> = x.iter().collect(); + let _: Option<u8> = Some(3); + let _: Result<i8, f32> = Ok(-3); + // should not lint + let _: Vec<_> = x.iter().map(|x| 2 * x).collect(); + let _: Vec<_> = x.iter().map(not_identity).map(|x| return x - 4).collect(); + let _: Option<u8> = None.map(|x: u8| x - 1); + let _: Result<i8, f32> = Err(2.3).map(|x: i8| { + return x + 3; + }); + let _: Result<u32, u32> = Ok(1); + let _: Result<u32, u32> = Ok(1).map_err(|a: u32| a * 42); +} + +fn not_identity(x: &u16) -> u16 { + *x +} |