33 lines
1.1 KiB
Rust
33 lines
1.1 KiB
Rust
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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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trait TraitWithSend: Send {}
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trait IndirectTraitWithSend: TraitWithSend {}
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// Check struct instantiation (Box<TraitWithSend> will only have Send if TraitWithSend has Send)
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#[allow(dead_code)]
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struct Blah { x: Box<TraitWithSend> }
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impl TraitWithSend for Blah {}
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// Struct instantiation 2-levels deep
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#[allow(dead_code)]
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struct IndirectBlah { x: Box<IndirectTraitWithSend> }
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impl TraitWithSend for IndirectBlah {}
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impl IndirectTraitWithSend for IndirectBlah {}
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fn test_trait<Sized? T: Send>() { println!("got here!") }
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fn main() {
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test_trait::<TraitWithSend>();
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test_trait::<IndirectTraitWithSend>();
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}
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