Enum RegisterResult 

pub(crate) enum RegisterResult<T> {
    Notified(T),
    Registered,
    NeverInserted,
}

The result of registering a listener.

Variants

Notified(T)

The listener was already notified.

Registered

The listener has been registered.

NeverInserted

The listener was never inserted into the list.

Implementations

impl<T> RegisterResult<T>

pub(crate) fn notified(self) -> Option<T>

Whether or not the listener was notified.

Panics if the listener was never inserted into the list.

Trait Implementations

impl<T: Debug> Debug for RegisterResult<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: PartialEq> PartialEq for RegisterResult<T>

fn eq(&self, other: &RegisterResult<T>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<T> StructuralPartialEq for RegisterResult<T>