diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/unit_return_expecting_ord.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/unit_return_expecting_ord.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unit_return_expecting_ord.rs b/src/tools/clippy/tests/ui/unit_return_expecting_ord.rs new file mode 100644 index 000000000..bdb4710cc --- /dev/null +++ b/src/tools/clippy/tests/ui/unit_return_expecting_ord.rs @@ -0,0 +1,36 @@ +#![warn(clippy::unit_return_expecting_ord)] +#![allow(clippy::needless_return)] +#![allow(clippy::unused_unit)] +#![feature(is_sorted)] + +struct Struct { + field: isize, +} + +fn double(i: isize) -> isize { + i * 2 +} + +fn unit(_i: isize) {} + +fn main() { + let mut structs = vec![Struct { field: 2 }, Struct { field: 1 }]; + structs.sort_by_key(|s| { + double(s.field); + }); + structs.sort_by_key(|s| double(s.field)); + structs.is_sorted_by_key(|s| { + double(s.field); + }); + structs.is_sorted_by_key(|s| { + if s.field > 0 { + () + } else { + return (); + } + }); + structs.sort_by_key(|s| { + return double(s.field); + }); + structs.sort_by_key(|s| unit(s.field)); +} |