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Diffstat (limited to '')
-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) +} |