call method
Implementation
@override
Object? call(Interpreter interpreter, List<Object?> arguments,
Map<Symbol, Object?> namedArguments) {
if (arguments.isEmpty) {
throw "Argument must be at least 1.";
}
return request.send().then((response) {
var resp = StreamedResonseIns(response.stream, response.statusCode);
(arguments.first as LoxFunction).call(interpreter, [resp], {});
});
}