// Copyright 2012 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. trait TraitWithSend: Send {} trait IndirectTraitWithSend: TraitWithSend {} // Check struct instantiation (Box will only have Send if TraitWithSend has Send) #[allow(dead_code)] struct Blah { x: Box } impl TraitWithSend for Blah {} // Struct instantiation 2-levels deep #[allow(dead_code)] struct IndirectBlah { x: Box } impl TraitWithSend for IndirectBlah {} impl IndirectTraitWithSend for IndirectBlah {} fn test_trait() { println!("got here!") } fn main() { test_trait::(); test_trait::(); }