38 lines
931 B
Rust
38 lines
931 B
Rust
#![feature(generators, generator_trait)]
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#![allow(unused_assignments)]
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use std::ops::{Generator, GeneratorState};
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use std::pin::Pin;
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fn main() {
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let mut generator = || {
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yield 1;
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return "foo"
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};
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match Pin::new(&mut generator).resume(()) {
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GeneratorState::Yielded(1) => {}
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_ => panic!("unexpected value from resume"),
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}
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match Pin::new(&mut generator).resume(()) {
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GeneratorState::Complete("foo") => {}
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_ => panic!("unexpected value from resume"),
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}
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let mut generator = || {
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yield 1;
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yield 2;
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yield 3;
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return "foo"
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};
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match Pin::new(&mut generator).resume(()) {
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GeneratorState::Yielded(1) => {}
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_ => panic!("unexpected value from resume"),
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}
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match Pin::new(&mut generator).resume(()) {
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GeneratorState::Yielded(2) => {}
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_ => panic!("unexpected value from resume"),
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}
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}
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