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// Test that uninhabited saved local doesn't make the entire variant uninhabited.
//@ run-pass
#![allow(unused)]
#![feature(assert_matches)]
#![feature(coroutine_trait)]
#![feature(coroutines, stmt_expr_attributes)]
#![feature(never_type)]
use std::assert_matches::assert_matches;
use std::ops::Coroutine;
use std::ops::CoroutineState;
use std::pin::Pin;
fn conjure<T>() -> T { loop {} }
fn run<T>(x: bool, y: bool) {
let mut c = #[coroutine] || {
if x {
let a : T;
if y {
a = conjure::<T>();
}
yield ();
} else {
let a : T;
if y {
a = conjure::<T>();
}
yield ();
}
};
assert_matches!(Pin::new(&mut c).resume(()), CoroutineState::Yielded(()));
assert_matches!(Pin::new(&mut c).resume(()), CoroutineState::Complete(()));
}
fn main() {
run::<!>(false, false);
}
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