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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/test/ui/fn/fn-trait-formatting.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/test/ui/fn/fn-trait-formatting.rs')
-rw-r--r-- | src/test/ui/fn/fn-trait-formatting.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/fn/fn-trait-formatting.rs b/src/test/ui/fn/fn-trait-formatting.rs new file mode 100644 index 000000000..636ac7107 --- /dev/null +++ b/src/test/ui/fn/fn-trait-formatting.rs @@ -0,0 +1,21 @@ +fn needs_fn<F>(x: F) where F: Fn(isize) -> isize {} + + + +fn main() { + let _: () = Box::new(|_: isize| {}) as Box<dyn FnOnce(isize)>; + //~^ ERROR mismatched types + //~| expected unit type `()` + //~| found struct `Box<dyn FnOnce(isize)>` + let _: () = Box::new(|_: isize, isize| {}) as Box<dyn Fn(isize, isize)>; + //~^ ERROR mismatched types + //~| expected unit type `()` + //~| found struct `Box<dyn Fn(isize, isize)>` + let _: () = Box::new(|| -> isize { unimplemented!() }) as Box<dyn FnMut() -> isize>; + //~^ ERROR mismatched types + //~| expected unit type `()` + //~| found struct `Box<dyn FnMut() -> isize>` + + needs_fn(1); + //~^ ERROR expected a `Fn<(isize,)>` closure, found `{integer}` +} |