mirror of https://github.com/rust-lang/rust.git
22 lines
597 B
Rust
22 lines
597 B
Rust
//@compile-flags: --diagnostic-width=300
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// gate-test-coroutine_clone
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// Verifies that static coroutines cannot be cloned/copied.
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// This is important: the cloned coroutine would reference state of the original
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// coroutine, leading to semantic nonsense.
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#![feature(coroutines, coroutine_clone, stmt_expr_attributes)]
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fn main() {
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let gen = #[coroutine]
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static move || {
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yield;
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};
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check_copy(&gen);
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//~^ ERROR Copy` is not satisfied
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check_clone(&gen);
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//~^ ERROR Clone` is not satisfied
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}
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fn check_copy<T: Copy>(_x: &T) {}
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fn check_clone<T: Clone>(_x: &T) {}
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