in native/src/work_asset/meld.rs [208:217]
fn copy_byte_view(
base: &mut WorkAsset,
foreign: &WorkAsset,
foreign_ix: Index<View>,
) -> Index<View> {
let view = foreign.buffer_view(foreign_ix.value());
let slice = foreign.buffer_view_as_slice(&view);
let new_ix = base.push_buffer_view_from_slice(slice) as u32;
Index::new(new_ix)
}