File: yield.coverage

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   LL|       |#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
   LL|       |#![allow(unused_assignments)]
   LL|       |
   LL|       |use std::ops::{Coroutine, CoroutineState};
   LL|       |use std::pin::Pin;
   LL|       |
   LL|      1|fn main() {
   LL|      1|    let mut coroutine = #[coroutine]
   LL|      1|    || {
   LL|      1|        yield 1;
   LL|      1|        return "foo";
   LL|      1|    };
   LL|       |
   LL|      1|    match Pin::new(&mut coroutine).resume(()) {
   LL|      1|        CoroutineState::Yielded(1) => {}
   LL|      0|        _ => panic!("unexpected value from resume"),
   LL|       |    }
   LL|      1|    match Pin::new(&mut coroutine).resume(()) {
   LL|      1|        CoroutineState::Complete("foo") => {}
   LL|      0|        _ => panic!("unexpected value from resume"),
   LL|       |    }
   LL|       |
   LL|      1|    let mut coroutine = #[coroutine]
   LL|      1|    || {
   LL|      1|        yield 1;
   LL|      1|        yield 2;
   LL|      0|        yield 3;
   LL|      0|        return "foo";
   LL|      0|    };
   LL|       |
   LL|      1|    match Pin::new(&mut coroutine).resume(()) {
   LL|      1|        CoroutineState::Yielded(1) => {}
   LL|      0|        _ => panic!("unexpected value from resume"),
   LL|       |    }
   LL|      1|    match Pin::new(&mut coroutine).resume(()) {
   LL|      1|        CoroutineState::Yielded(2) => {}
   LL|      0|        _ => panic!("unexpected value from resume"),
   LL|       |    }
   LL|      1|}