{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"CValueInner::ByRef(ptr,"}]}
            CValueInner::ByRef(ptr, meta) => Some((ptr, meta)),
        match self.0 {
            CValueInner::ByVal(_) | CValueInner::ByValPair(_, _) => None,