rust/tests/ui/fn/issue-39259.rs

16 lines
374 B
Rust

#![feature(fn_traits)]
#![feature(unboxed_closures)]
struct S;
impl Fn(u32) -> u32 for S {
//~^ ERROR associated item constraints are not allowed here [E0229]
//~| ERROR expected a `FnMut(u32)` closure, found `S`
fn call(&self) -> u32 {
//~^ ERROR method `call` has 1 parameter but the declaration in trait `call` has 2
5
}
}
fn main() {}