Function fn

test/fixtures/compile-performance.js:2682–2685

(params, body, type)

            return new NotExpr(expr);
        }
        function fn(params, body, type) {
            if (type === void 0) { type = null; }
            return new FunctionExpr(params, body, type);
        }
        function literal(value, type) {
            if (type === void 0) { type = null; }
            return new LiteralExpr(value, type);