// 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. type boxedFn = { theFn: fn () -> uint }; fn createClosure (closedUint: uint) -> boxedFn { { theFn: fn@ () -> uint { closedUint } } //~ ERROR mismatched types } fn main () { let aFn: boxedFn = createClosure(10); let myInt: uint = (aFn.theFn)(); assert myInt == 10; }