48 lines
1.1 KiB
Rust
48 lines
1.1 KiB
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.
|
||
|
|
|
||
|
|
fn id<T>(x: T) -> T {
|
||
|
|
x
|
||
|
|
}
|
||
|
|
|
||
|
|
#[deriving(Eq)]
|
||
|
|
struct Foo<T>(T);
|
||
|
|
|
||
|
|
#[deriving(Eq)]
|
||
|
|
enum Bar<T> {
|
||
|
|
Bar(T)
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn main() {
|
||
|
|
let f: |int| -> int = id;
|
||
|
|
assert_eq!(f(5), 5);
|
||
|
|
|
||
|
|
let f: proc(int) -> int = id;
|
||
|
|
assert_eq!(f(5), 5);
|
||
|
|
|
||
|
|
let f: |int| -> Foo<int> = Foo;
|
||
|
|
assert_eq!(f(5), Foo(5));
|
||
|
|
|
||
|
|
let f: proc(int) -> Foo<int> = Foo;
|
||
|
|
assert_eq!(f(5), Foo(5));
|
||
|
|
|
||
|
|
let f: |int| -> Bar<int> = Bar;
|
||
|
|
assert_eq!(f(5), Bar(5));
|
||
|
|
|
||
|
|
let f: proc(int) -> Bar<int> = Bar;
|
||
|
|
assert_eq!(f(5), Bar(5));
|
||
|
|
|
||
|
|
let f: |int| -> Option<int> = Some;
|
||
|
|
assert_eq!(f(5), Some(5));
|
||
|
|
|
||
|
|
let f: proc(int) -> Option<int> = Some;
|
||
|
|
assert_eq!(f(5), Some(5));
|
||
|
|
}
|