9b9ef44233
RFC #27. After a snapshot, the old syntax will be removed. This can break some code that looked like `foo as &Trait:Send`. Now you will need to write `foo as (&Trait+Send)`. Closes #12778. [breaking-change]
31 lines
817 B
Rust
31 lines
817 B
Rust
// Copyright 2013 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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// Tests for "default" bounds inferred for traits with no bounds list.
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trait Foo {}
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fn a(_x: Box<Foo+Send>) {
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}
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fn b(_x: &'static Foo) { // should be same as &'static Foo+'static
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}
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fn c(x: Box<Foo+Share>) {
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a(x); //~ ERROR expected bounds `Send`
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}
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fn d(x: &'static Foo+Share) {
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b(x); //~ ERROR expected bounds `'static`
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}
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fn main() {}
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