36 lines
982 B
Rust
36 lines
982 B
Rust
//@ run-pass
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#![feature(coroutines, coroutine_trait)]
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use std::ops::{Coroutine, CoroutineState};
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fn mkstr(my_name: String, my_mood: String) -> String {
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format!("{} is {}", my_name.trim(), my_mood.trim())
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}
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fn my_scenario() -> impl Coroutine<String, Yield = &'static str, Return = String> {
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#[coroutine]
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|_arg: String| {
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let my_name = yield "What is your name?";
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let my_mood = yield "How are you feeling?";
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mkstr(my_name, my_mood)
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}
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}
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fn main() {
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let mut my_session = Box::pin(my_scenario());
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assert_eq!(
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my_session.as_mut().resume("_arg".to_string()),
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CoroutineState::Yielded("What is your name?")
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);
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assert_eq!(
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my_session.as_mut().resume("Your Name".to_string()),
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CoroutineState::Yielded("How are you feeling?")
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);
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assert_eq!(
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my_session.as_mut().resume("Sensory Organs".to_string()),
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CoroutineState::Complete("Your Name is Sensory Organs".to_string())
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);
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}
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