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use std::fmt;
use std::ops;
/// Readiness event interest
///
/// Specifies the readiness events the caller is interested in when awaiting on
/// I/O resource readiness states.
#[derive(Clone, Copy)]
pub(crate) struct Interest(mio::Interest);
impl Interest {
/// Interest in all readable events
pub(crate) const READABLE: Interest = Interest(mio::Interest::READABLE);
/// Interest in all writable events
pub(crate) const WRITABLE: Interest = Interest(mio::Interest::WRITABLE);
/// Returns true if the value includes readable interest.
pub(crate) const fn is_readable(self) -> bool {
self.0.is_readable()
}
/// Returns true if the value includes writable interest.
pub(crate) const fn is_writable(self) -> bool {
self.0.is_writable()
}
/// Add together two `Interst` values.
pub(crate) const fn add(self, other: Interest) -> Interest {
Interest(self.0.add(other.0))
}
pub(crate) const fn to_mio(self) -> mio::Interest {
self.0
}
}
impl ops::BitOr for Interest {
type Output = Self;
#[inline]
fn bitor(self, other: Self) -> Self {
self.add(other)
}
}
impl ops::BitOrAssign for Interest {
#[inline]
fn bitor_assign(&mut self, other: Self) {
self.0 = (*self | other).0;
}
}
impl fmt::Debug for Interest {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
self.0.fmt(fmt)
}
}
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