// 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 or the MIT license // , 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; }