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//! Tests that we cannot produce a generator that accepts a resume argument
//! with any lifetime and then stores it across a `yield`.
#![feature(generators, generator_trait)]
use std::ops::Generator;
fn test(a: impl for<'a> Generator<&'a mut bool>) {}
fn main() {
let gen = |arg: &mut bool| {
yield ();
*arg = true;
};
test(gen);
//~^ ERROR mismatched types
}
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