// Copyright 2016 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 Example { example: Box i32> } fn main() { let demo = Example { example: Box::new(|x| { x + 1 }) }; demo.example(1); //~ ERROR no method named `example` //~^ NOTE use `(demo.example)(...)` // (demo.example)(1); }