diff options
Diffstat (limited to 'src/test/ui/lint/unused/must_use-tuple.rs')
-rw-r--r-- | src/test/ui/lint/unused/must_use-tuple.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/lint/unused/must_use-tuple.rs b/src/test/ui/lint/unused/must_use-tuple.rs new file mode 100644 index 000000000..0f0aa2025 --- /dev/null +++ b/src/test/ui/lint/unused/must_use-tuple.rs @@ -0,0 +1,17 @@ +#![deny(unused_must_use)] + +fn foo() -> (Result<(), ()>, ()) { + (Ok::<(), ()>(()), ()) +} + +fn main() { + (Ok::<(), ()>(()),); //~ ERROR unused `Result` + + (Ok::<(), ()>(()), 0, Ok::<(), ()>(()), 5); + //~^ ERROR unused `Result` + //~^^ ERROR unused `Result` + + foo(); //~ ERROR unused `Result` + + ((Err::<(), ()>(()), ()), ()); //~ ERROR unused `Result` +} |