Trait core::any::AnyMutRefExtUnstable

pub trait AnyMutRefExt<'a> {
    fn downcast_mut<T: 'static>(self) -> Option<&'a mut T>;
}

Extension methods for a mutable referenced Any trait object

Required Methods

fn downcast_mut<T: 'static>(self) -> Option<&'a mut T>

Returns some mutable reference to the boxed value if it is of type T, or None if it isn't.

Implementors

• impl<'a> AnyMutRefExt<'a> for &'a mut Any