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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/unnecessary_find_map.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/unnecessary_find_map.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/unnecessary_find_map.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unnecessary_find_map.rs b/src/tools/clippy/tests/ui/unnecessary_find_map.rs new file mode 100644 index 000000000..a52390861 --- /dev/null +++ b/src/tools/clippy/tests/ui/unnecessary_find_map.rs @@ -0,0 +1,23 @@ +#![allow(dead_code)] + +fn main() { + let _ = (0..4).find_map(|x| if x > 1 { Some(x) } else { None }); + let _ = (0..4).find_map(|x| { + if x > 1 { + return Some(x); + }; + None + }); + let _ = (0..4).find_map(|x| match x { + 0 | 1 => None, + _ => Some(x), + }); + + let _ = (0..4).find_map(|x| Some(x + 1)); + + let _ = (0..4).find_map(i32::checked_abs); +} + +fn find_map_none_changes_item_type() -> Option<bool> { + "".chars().find_map(|_| None) +} |