{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
/// for the given argument, but we generally can't know the size of such a type.
/// For indirections (ptr/ref) we can't use Active, since Active allocates a shadow value
/// For scalar types (f16/f32/f64/f128) we can use Active and we can't use Duplicated,