Trait alloc::boxed::BoxAnyUnstable
[-] [+]
[src]
pub trait BoxAny {
fn downcast<T: 'static>(self) -> Result<Box<T>, Self>;
}Extension methods for an owning Any trait object.
Required Methods
fn downcast<T: 'static>(self) -> Result<Box<T>, Self>
Returns the boxed value if it is of type T, or
Err(Self) if it isn't.