Method as_host_vec

crates/cust/src/memory/array.rs:840–855

Copy data from the array into a vec on the host. **This will not check if the formats match, it does however yield a correct vec**. Format mismatch and especially format size mismatch may yield incorrect (but not unsound!) behavior

(&self)

    /// however yield a correct vec**. Format mismatch and especially format size mismatch may yield incorrect (but not unsound!)
    /// behavior
    pub fn as_host_vec<T: ArrayPrimitive>(&self) -> CudaResult<Vec<T>> {
        let desc = self.descriptor()?;
        let self_size = desc.width()
            * desc.height().max(1)
            * desc.depth().max(1)
            * desc.num_channels() as usize
            * desc.format().mem_size();

        let len = self_size / T::array_format().mem_size();
        unsafe {
            // SAFETY: anything ArrayPrimitive is a number and therefore zeroable.
            let mut vec = vec![zeroed(); len];
            self.copy_to(&mut vec)?;
            Ok(vec)
        }
    }
}

impl std::fmt::Debug for ArrayObject {