mirror of https://github.com/rust-lang/rust
18 lines
467 B
Rust
18 lines
467 B
Rust
//! Tests that we cannot produce a coroutine that accepts a resume argument
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//! with any lifetime and then stores it across a `yield`.
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#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
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use std::ops::Coroutine;
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fn test(a: impl for<'a> Coroutine<&'a mut bool>) {}
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fn main() {
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let gen = #[coroutine] |arg: &mut bool| {
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yield ();
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*arg = true;
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};
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test(gen);
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//~^ ERROR implementation of `Coroutine` is not general enough
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}
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