rust/tests/ui/trait-bounds/mismatch-fn-trait.rs
2023-01-11 09:32:08 +00:00

29 lines
395 B
Rust

fn take(_f: impl FnMut(i32)) {}
fn test1(f: impl FnMut(u32)) {
take(f)
//~^ ERROR [E0277]
}
fn test2(f: impl FnMut(i32, i32)) {
take(f)
//~^ ERROR [E0277]
}
fn test3(f: impl FnMut()) {
take(f)
//~^ ERROR [E0277]
}
fn test4(f: impl FnOnce(i32)) {
take(f)
//~^ ERROR [E0277]
}
fn test5(f: impl FnOnce(u32)) {
take(f)
//~^ ERROR [E0277]
}
fn main() {}