Struct gtk4::ConstantExpression [−][src]
pub struct ConstantExpression(_);
Implementations
Methods from Deref<Target = Expression>
Trait Implementations
Performs the conversion.
type Target = Expression
type Target = Expression
The resulting type after dereferencing.
type Checker = GenericValueTypeOrNoneChecker<Self>
type Checker = GenericValueTypeOrNoneChecker<Self>
Value type checker.
Get the contained value from a Value
. Read more
Returns the type identifier of Self
.
Convert an Option
to a Value
.
Auto Trait Implementations
impl RefUnwindSafe for ConstantExpression
impl !Send for ConstantExpression
impl !Sync for ConstantExpression
impl Unpin for ConstantExpression
impl UnwindSafe for ConstantExpression
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>,