{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"CValueInner::ByValPair(val1,"}]}
            CValueInner::ByValPair(val1, val2) => (val1, val2),
            CValueInner::ByVal(_) => bug!("Please use load_scalar for ByVal"),
        }