// Copyright 2013 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 X where F: FnOnce() + 'static + Send { field: F, } fn foo(blk: F) -> X where F: FnOnce() + 'static { //~^ ERROR the trait `core::marker::Send` is not implemented for the type return X { field: blk }; } fn main() { }