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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_flatten.rs | |
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_flatten.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/map_flatten.rs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/map_flatten.rs b/src/tools/clippy/tests/ui/map_flatten.rs new file mode 100644 index 000000000..7d47ee09d --- /dev/null +++ b/src/tools/clippy/tests/ui/map_flatten.rs @@ -0,0 +1,55 @@ +#![warn(clippy::map_flatten)] +#![feature(result_flattening)] + +// issue #8506, multi-line +#[rustfmt::skip] +fn long_span() { + let _: Option<i32> = Some(1) + .map(|x| { + if x <= 5 { + Some(x) + } else { + None + } + }) + .flatten(); + + let _: Result<i32, i32> = Ok(1) + .map(|x| { + if x == 1 { + Ok(x) + } else { + Err(0) + } + }) + .flatten(); + + let result: Result<i32, i32> = Ok(2); + fn do_something() { } + let _: Result<i32, i32> = result + .map(|res| { + if res > 0 { + do_something(); + Ok(res) + } else { + Err(0) + } + }) + .flatten(); + + let _: Vec<_> = vec![5_i8; 6] + .into_iter() + .map(|some_value| { + if some_value > 3 { + Some(some_value) + } else { + None + } + }) + .flatten() + .collect(); +} + +fn main() { + long_span(); +} |