rust/src/test/run-pass/fn-assign-managed-to-bare-2.rs

28 lines
785 B
Rust

// Copyright 2012 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 add(n: int) -> fn@(int) -> int {
fn@(m: int) -> int { m + n }
}
pub fn main()
{
assert add(3)(4) == 7;
let add1 : fn@(int)->int = add(1);
assert add1(6) == 7;
let add2 : &(fn@(int)->int) = &add(2);
assert (*add2)(5) == 7;
let add3 : fn(int)->int = add(3);
assert add3(4) == 7;
}