Function try_cast_box

pub fn try_cast_box<A, B>(
    input: Box<A>,
) -> Result<Box<B>, (PodCastError, Box<A>)> 
where
    A: NoUninit,
    B: AnyBitPattern,

Available on crate feature dep_bytemuck only.

Attempts to cast the content type of a Box.

On failure you get back an error along with the starting Box.

Failure

• The start and end content type of the Box must have the exact same alignment.
• The start and end size of the Box must have the exact same size.