| // Copyright 2016 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| use std::any::Any; |
| pub struct EventHandler { |
| } |
| |
| impl EventHandler |
| { |
| pub fn handle_event<T: Any>(&mut self, _efunc: impl FnMut(T)) {} |
| } |
| |
| struct TestEvent(i32); |
| |
| fn main() { |
| let mut evt = EventHandler {}; |
| evt.handle_event::<TestEvent, fn(TestEvent)>(|_evt| { |
| //~^ ERROR cannot provide explicit type parameters |
| }); |
| } |
