mirror of https://github.com/rust-lang/rust
29 lines
642 B
Rust
29 lines
642 B
Rust
//@ run-pass
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#![allow(unused_variables)]
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#![feature(coroutines)]
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use std::cell::RefCell;
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struct A;
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impl A {
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fn test(&self, a: ()) {}
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}
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fn main() {
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// Test that the MIR local with type &A created for the auto-borrow adjustment
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// is caught by typeck
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#[coroutine] move || { //~ WARN unused coroutine that must be used
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A.test(yield);
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};
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// Test that the std::cell::Ref temporary returned from the `borrow` call
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// is caught by typeck
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let y = RefCell::new(true);
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#[coroutine] static move || { //~ WARN unused coroutine that must be used
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yield *y.borrow();
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return "Done";
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};
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}
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