// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(unboxed_closures)] use std::marker::PhantomData; fn main() { struct Symbol<'a, F: Fn(Vec<&'a str>) -> &'a str> { function: F, marker: PhantomData<&'a ()> } let f = |x: Vec<&str>| -> &str "foobar"; let sym = Symbol { function: f, marker: PhantomData }; (sym.function)(vec![]); }