{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"sym::usize"}]}
            sym::usize => ast::LitIntType::Unsigned(ast::UintTy::Usize),
            sym::i128 => ast::LitIntType::Signed(ast::IntTy::I128),
            sym::u8 => ast::LitIntType::Unsigned(ast::UintTy::U8),