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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/fn/fn-trait-formatting.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/fn/fn-trait-formatting.rs')
-rw-r--r-- | tests/ui/fn/fn-trait-formatting.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/fn/fn-trait-formatting.rs b/tests/ui/fn/fn-trait-formatting.rs new file mode 100644 index 000000000..636ac7107 --- /dev/null +++ b/tests/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}` +} |