pub struct Opaque(pub Arc<dyn OpaquePayload>);
Tuple Fields§
§0: Arc<dyn OpaquePayload>
Implementations§
source§impl Opaque
impl Opaque
pub fn downcast_ref<T>(&self) -> Option<&T>where
T: OpaquePayload,
Methods from Deref<Target = dyn OpaquePayload>§
sourcepub fn is<__T>(&self) -> boolwhere
__T: OpaquePayload,
pub fn is<__T>(&self) -> boolwhere
__T: OpaquePayload,
Returns true if the trait object wraps an object of type __T
.
sourcepub fn downcast_rc<__T>(
self: Rc<dyn OpaquePayload>
) -> Result<Rc<__T>, Rc<dyn OpaquePayload>>where
__T: OpaquePayload,
pub fn downcast_rc<__T>(
self: Rc<dyn OpaquePayload>
) -> Result<Rc<__T>, Rc<dyn OpaquePayload>>where
__T: OpaquePayload,
Returns an Rc
-ed object from an Rc
-ed trait object if the underlying object is of
type __T
. Returns the original Rc
-ed trait if it isn’t.
sourcepub fn downcast_ref<__T>(&self) -> Option<&__T>where
__T: OpaquePayload,
pub fn downcast_ref<__T>(&self) -> Option<&__T>where
__T: OpaquePayload,
Returns a reference to the object within the trait object if it is of type __T
, or
None
if it isn’t.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for Opaque
impl !RefUnwindSafe for Opaque
impl Send for Opaque
impl Sync for Opaque
impl Unpin for Opaque
impl !UnwindSafe for Opaque
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
source§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
Convert
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.source§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Convert
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.source§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
Convert
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.source§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
Convert
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.source§impl<T> DowncastSync for T
impl<T> DowncastSync for T
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more