Struct gtk4::Expression [−][src]
pub struct Expression(_);
Implementations
Trait Implementations
Performs the conversion.
Performs the conversion.
Performs the conversion.
Performs the conversion.
type Checker = GenericValueTypeOrNoneChecker<Self>
type Checker = GenericValueTypeOrNoneChecker<Self>
Value type checker.
Get the contained value from a Value
. Read more
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
This method tests for !=
.
This method returns an ordering between self
and other
values if one exists. Read more
This method tests less than (for self
and other
) and is used by the <
operator. Read more
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
Returns the type identifier of Self
.
Convert an Option
to a Value
.
Auto Trait Implementations
impl RefUnwindSafe for Expression
impl !Send for Expression
impl !Sync for Expression
impl Unpin for Expression
impl UnwindSafe for Expression
Blanket Implementations
Mutably borrows from an owned value. Read more
impl<'a, T, C> FromValueOptional<'a> for T where
C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError>,
T: FromValue<'a, Checker = C>,