// 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_closure_sugar, unboxed_closures, overloaded_calls)] use std::ops::FnMut; fn main() { let mut f; { let c = 1; let c_ref = &c; f = |&mut: a: int, b: int| { a + b + *c_ref }; //~^ ERROR cannot infer an appropriate lifetime } }