29 lines
817 B
Rust
29 lines
817 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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fn add(n: int) -> @fn(int) -> int {
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let result: @fn(int) -> int = |m| m + n;
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result
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}
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pub fn main()
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{
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assert!(add(3)(4) == 7);
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let add1 : @fn(int)->int = add(1);
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assert!(add1(6) == 7);
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let add2 : &(@fn(int)->int) = &add(2);
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assert!((*add2)(5) == 7);
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let add3 : &fn(int)->int = add(3);
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assert!(add3(4) == 7);
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}
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