{"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"BuiltinType::Int(it)"}]}
            BuiltinType::Int(it) => match it {
            BuiltinType::Str => Name::new_symbol_root(sym::str),
                BuiltinInt::Isize => Name::new_symbol_root(sym::isize),