// 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. struct Obj where F: FnMut() -> u32 { closure: F, } fn main() { let o = Obj { closure: || 42 }; o.closure(); //~ ERROR no method named `closure` found //~^ NOTE use `(o.closure)(...)` if you meant to call the function stored in the `closure` field }