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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/unboxed-closures/unboxed-closures-wrong-abi.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/unboxed-closures/unboxed-closures-wrong-abi.rs')
-rw-r--r-- | tests/ui/unboxed-closures/unboxed-closures-wrong-abi.rs | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/unboxed-closures/unboxed-closures-wrong-abi.rs b/tests/ui/unboxed-closures/unboxed-closures-wrong-abi.rs new file mode 100644 index 000000000..dd76c597d --- /dev/null +++ b/tests/ui/unboxed-closures/unboxed-closures-wrong-abi.rs @@ -0,0 +1,34 @@ +// Tests that unsafe extern fn pointers do not implement any Fn traits. + +use std::ops::{Fn, FnMut, FnOnce}; + +extern "C" fn square(x: &isize) -> isize { + (*x) * (*x) +} + +fn call_it<F: Fn(&isize) -> isize>(_: &F, _: isize) -> isize { + 0 +} +fn call_it_mut<F: FnMut(&isize) -> isize>(_: &mut F, _: isize) -> isize { + 0 +} +fn call_it_once<F: FnOnce(&isize) -> isize>(_: F, _: isize) -> isize { + 0 +} + +fn a() { + let x = call_it(&square, 22); + //~^ ERROR E0277 +} + +fn b() { + let y = call_it_mut(&mut square, 22); + //~^ ERROR E0277 +} + +fn c() { + let z = call_it_once(square, 22); + //~^ ERROR E0277 +} + +fn main() {} |