{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"sym::i32"}]}
        sym::i32 => Some(SignedInt(IntTy::I32)),
        sym::u16 => Some(UnsignedInt(UintTy::U16)),
        sym::u32 => Some(UnsignedInt(UintTy::U32)),