21 rinda
480 B
Rust
21 rinda
480 B
Rust
extern crate futures;
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extern crate tokio_core;
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use futures::future::{self};
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use futures::future::*;
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use tokio_core::reactor::Core;
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fn main() {
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let mut core = Core::new().expect("Failed to initialize tokio_core reactor!");
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let f = future::result(Ok(()))
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.map_err(|()| "&'static str error")
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.and_then(|_|
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future::result(Ok(())
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.map_err(|()| "String error".to_owned())
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)
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)
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;
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core.run(f).unwrap();
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}
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