Function alloc::raw_vec::finish_grow

fn finish_grow<A>(
    new_layout: Result<Layout, LayoutError>,
    current_memory: Option<(NonNull<u8>, Layout)>,
    alloc: &mut A
) -> Result<NonNull<[u8]>, TryReserveError>where
    A: Allocator,

🔬This is a nightly-only experimental API. (raw_vec_internals)