rust/tests/ui/foreign/foreign-safe-fn-arg-mismatch.rs
2024-08-16 14:10:06 -04:00

14 lines
362 B
Rust

// Make sure we don't ICE when a foreign fn doesn't implement `Fn` due to arg mismatch.
unsafe extern "Rust" {
pub safe fn foo();
pub safe fn bar(x: u32);
}
fn test(_: impl Fn(i32)) {}
fn main() {
test(foo); //~ ERROR function is expected to take 1 argument, but it takes 0 arguments
test(bar); //~ ERROR type mismatch in function arguments
}