blob: 4243b98e0dde5f93d01a3ce613b56145070ca8b0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
// Copyright 2014 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::fmt::Show;
trait Something {
fn yay<T: Show>(_: Option<Self>, thing: &[T]) -> String {
}
}
struct X { data: u32 }
impl Something for X {
fn yay<T: Str>(_:Option<X>, thing: &[T]) -> String {
//~^ ERROR in method `yay`, type parameter 0 requires bound `core::str::Str`, which is not required
format!("{:s}", thing[0])
}
}
fn main() {
let arr = &["one", "two", "three"];
println!("{}", Something::yay(None::<X>, arr));
}
|