Trait CanBeEmpty

pub trait CanBeEmpty {
    // Required method
    fn is_empty(&self) -> bool;
}

Trait for types that have an “empty” state.

If Default is implemented for Self, Self::default().is_empty() should always be true.

Required Methods

fn is_empty(&self) -> bool

Check whether self is empty.

Implementors

impl CanBeEmpty for Filter

impl CanBeEmpty for FilterDefinition

impl CanBeEmpty for RoomEventFilter

impl CanBeEmpty for RoomFilter

impl CanBeEmpty for RoomMemberUnsigned

impl CanBeEmpty for RoomRedactionUnsigned

impl<C> CanBeEmpty for MessageLikeUnsigned<C>

where C: MessageLikeEventContent,

impl<C> CanBeEmpty for StateUnsigned<C>

where C: PossiblyRedactedStateEventContent,