{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"CPlaceInner::VarPair(_local,"}]}
            CPlaceInner::VarPair(_local, var1, var2) => {
            CPlaceInner::Var(_local, var) => ("ssa", format!("var={}", var.index())),
                ("ssa", format!("var=({}, {})", var1.index(), var2.index()))