34 lines
942 B
Rust
34 lines
942 B
Rust
|
// 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.
|
||
|
|
|
||
|
|
// must-compile-successfully
|
||
|
|
|
||
|
|
use std::rc::Rc;
|
||
|
|
|
||
|
|
type SVec<T: Send> = Vec<T>;
|
||
|
|
type VVec<'b, 'a: 'b> = Vec<&'a i32>;
|
||
|
|
type WVec<'b, T: 'b> = Vec<T>;
|
||
|
|
|
||
|
|
fn foo<'a>(y: &'a i32) {
|
||
|
|
// If the bounds above would matter, the code below would be rejected.
|
||
|
|
let mut x : SVec<_> = Vec::new();
|
||
|
|
x.push(Rc::new(42));
|
||
|
|
|
||
|
|
let mut x : VVec<'static, 'a> = Vec::new();
|
||
|
|
x.push(y);
|
||
|
|
|
||
|
|
let mut x : WVec<'static, & 'a i32> = Vec::new();
|
||
|
|
x.push(y);
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
foo(&42);
|
||
|
|
}
|