Enum wayland_server::backend::protocol::AllowNull

pub enum AllowNull {
    Yes,
    No,
}

Describes whether an argument may have a null value.

Variants

Yes

Null values are allowed.

No

Null values are forbidden.

Trait Implementations

impl Clone for AllowNull

fn clone(&self) -> AllowNull

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for AllowNull

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

Formats the value using the given formatter.

impl PartialEq<AllowNull> for AllowNull

fn eq(&self, other: &AllowNull) -> bool

This method tests for self and other values to be equal, and is used by ==.

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

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

impl Copy for AllowNull

impl Eq for AllowNull

impl StructuralEq for AllowNull

impl StructuralPartialEq for AllowNull