diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-19 09:26:03 +0000 |
commit | 9918693037dce8aa4bb6f08741b6812923486c18 (patch) | |
tree | 21d2b40bec7e6a7ea664acee056eb3d08e15a1cf /tests/ui/traits/next-solver/fn-trait.rs | |
parent | Releasing progress-linux version 1.75.0+dfsg1-5~progress7.99u1. (diff) | |
download | rustc-9918693037dce8aa4bb6f08741b6812923486c18.tar.xz rustc-9918693037dce8aa4bb6f08741b6812923486c18.zip |
Merging upstream version 1.76.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/next-solver/fn-trait.rs')
-rw-r--r-- | tests/ui/traits/next-solver/fn-trait.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/fn-trait.rs b/tests/ui/traits/next-solver/fn-trait.rs new file mode 100644 index 000000000..1e3d8a21c --- /dev/null +++ b/tests/ui/traits/next-solver/fn-trait.rs @@ -0,0 +1,32 @@ +// compile-flags: -Znext-solver + +fn require_fn(_: impl Fn() -> i32) {} + +fn f() -> i32 { + 1i32 +} + +extern "C" fn g() -> i32 { + 2i32 +} + +unsafe fn h() -> i32 { + 2i32 +} + +fn main() { + require_fn(f); + require_fn(f as fn() -> i32); + require_fn(f as unsafe fn() -> i32); + //~^ ERROR: expected a `Fn()` closure, found `unsafe fn() -> i32` + //~| ERROR: type mismatch resolving `<unsafe fn() -> i32 as FnOnce<()>>::Output == i32` + require_fn(g); + //~^ ERROR: expected a `Fn()` closure, found `extern "C" fn() -> i32 {g}` + //~| ERROR: type mismatch resolving `<extern "C" fn() -> i32 {g} as FnOnce<()>>::Output == i32` + require_fn(g as extern "C" fn() -> i32); + //~^ ERROR: expected a `Fn()` closure, found `extern "C" fn() -> i32` + //~| ERROR: type mismatch resolving `<extern "C" fn() -> i32 as FnOnce<()>>::Output == i32` + require_fn(h); + //~^ ERROR: expected a `Fn()` closure, found `unsafe fn() -> i32 {h}` + //~| ERROR: type mismatch resolving `<unsafe fn() -> i32 {h} as FnOnce<()>>::Output == i32` +} |