Trait otter::prelude::Downcast [−][src]
pub trait Downcast: Any { fn into_any(self: Box<Self, Global>) -> Box<dyn Any + 'static, Global>ⓘ; fn into_any_rc(self: Rc<Self>) -> Rc<dyn Any + 'static>; fn as_any(&self) -> &(dyn Any + 'static); fn as_any_mut(&mut self) -> &mut (dyn Any + 'static); }
Expand description
Supports conversion to Any
. Traits to be extended by impl_downcast!
must extend Downcast
.
Required methods
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
.
fn into_any_rc(self: Rc<Self>) -> Rc<dyn Any + 'static>
[src]
fn into_any_rc(self: Rc<Self>) -> Rc<dyn Any + 'static>
[src]Convert Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.
Convert &Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
[src]
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
[src]Convert &mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.