diff options
Diffstat (limited to 'src/interest.rs')
| -rw-r--r-- | src/interest.rs | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/interest.rs b/src/interest.rs index 6bc5929..ee5158a 100644 --- a/src/interest.rs +++ b/src/interest.rs @@ -8,7 +8,7 @@ use std::{fmt, ops}; /// registered with [readable] interests and the socket becomes writable, no /// event will be returned from a call to [`poll`]. /// -/// [registering]: struct.Registry.html#method.reregister +/// [registering]: struct.Registry.html#method.register /// [`event::Source`]: ./event/trait.Source.html /// [`Poll`]: struct.Poll.html /// [readable]: struct.Interest.html#associatedconstant.READABLE @@ -70,6 +70,30 @@ impl Interest { Interest(unsafe { NonZeroU8::new_unchecked(self.0.get() | other.0.get()) }) } + /// Removes `other` `Interest` from `self`. + /// + /// Returns `None` if the set would be empty after removing `other`. + /// + /// ``` + /// use mio::Interest; + /// + /// const RW_INTERESTS: Interest = Interest::READABLE.add(Interest::WRITABLE); + /// + /// // As long a one interest remain this will return `Some`. + /// let w_interest = RW_INTERESTS.remove(Interest::READABLE).unwrap(); + /// assert!(!w_interest.is_readable()); + /// assert!(w_interest.is_writable()); + /// + /// // Removing all interests from the set will return `None`. + /// assert_eq!(w_interest.remove(Interest::WRITABLE), None); + /// + /// // Its also possible to remove multiple interests at once. + /// assert_eq!(RW_INTERESTS.remove(RW_INTERESTS), None); + /// ``` + pub fn remove(self, other: Interest) -> Option<Interest> { + NonZeroU8::new(self.0.get() & !other.0.get()).map(Interest) + } + /// Returns true if the value includes readable readiness. pub const fn is_readable(self) -> bool { (self.0.get() & READABLE) != 0 |