6fa4bbeed4
This functionality is not super-core and so doesn't need to be included in std. It's possible that std may need rand (it does a little bit now, for io::test) in which case the functionality required could be moved to a secret hidden module and reexposed by librand. Unfortunately, using #[deprecated] here is hard: there's too much to mock to make it feasible, since we have to ensure that programs still typecheck to reach the linting phase.
21 lines
722 B
Rust
21 lines
722 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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// ensure that the TaskRng isn't/doesn't become accidentally sendable.
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extern crate rand;
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fn test_send<S: Send>() {}
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pub fn main() {
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test_send::<::rand::TaskRng>();
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//~^ ERROR: incompatible type `rand::TaskRng`, which does not fulfill `Send`
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}
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