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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/mismatched_types/overloaded-calls-bad.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/mismatched_types/overloaded-calls-bad.rs')
-rw-r--r-- | src/test/ui/mismatched_types/overloaded-calls-bad.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/mismatched_types/overloaded-calls-bad.rs b/src/test/ui/mismatched_types/overloaded-calls-bad.rs new file mode 100644 index 000000000..902a6ec81 --- /dev/null +++ b/src/test/ui/mismatched_types/overloaded-calls-bad.rs @@ -0,0 +1,33 @@ +#![feature(fn_traits, unboxed_closures)] + +use std::ops::FnMut; + +struct S { + x: isize, + y: isize, +} + +impl FnMut<(isize,)> for S { + extern "rust-call" fn call_mut(&mut self, (z,): (isize,)) -> isize { + self.x * self.y * z + } +} + +impl FnOnce<(isize,)> for S { + type Output = isize; + extern "rust-call" fn call_once(mut self, (z,): (isize,)) -> isize { + self.call_mut((z,)) + } +} + +fn main() { + let mut s = S { + x: 3, + y: 3, + }; + let ans = s("what"); //~ ERROR mismatched types + let ans = s(); + //~^ ERROR this function takes 1 argument but 0 arguments were supplied + let ans = s("burma", "shave"); + //~^ ERROR this function takes 1 argument but 2 arguments were supplied +} |