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/* This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
use crate::Interrupted;
/// Represents the state of something that may be interrupted. Decoupled from
/// the interrupt mechanics so that things which want to check if they have been
/// interrupted are simpler.
pub trait Interruptee {
fn was_interrupted(&self) -> bool;
fn err_if_interrupted(&self) -> Result<(), Interrupted> {
if self.was_interrupted() {
return Err(Interrupted);
}
Ok(())
}
}
/// A convenience implementation, should only be used in tests.
pub struct NeverInterrupts;
impl Interruptee for NeverInterrupts {
#[inline]
fn was_interrupted(&self) -> bool {
false
}
}