Function bytemuck::allocation::try_cast_vec

source · 
pub fn try_cast_vec<A: NoUninit, B: AnyBitPattern>(
    input: Vec<A>
) -> Result<Vec<B>, (PodCastError, Vec<A>)>
Available on crate feature extern_crate_alloc only.
Expand description

Attempts to cast the content type of a Vec.

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

§Failure

  • The start and end content type of the Vec must have the exact same alignment.
  • The start and end content size in bytes of the Vec must be the exact same.
  • The start and end capacity in bytes of the Vec must be the exact same.