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