/// <summary>
/// Invoke this function with unnamed arguments.
/// </summary>
/// <param name="args">The arguments passed to function call.</param>
/// <returns>The result of the function evaluation.</returns>
protected SymbolicExpression InvokeOrderedArguments(SymbolicExpression[] args)
{
IntPtr argument = Engine.NilValue.DangerousGetHandle();
foreach (SymbolicExpression arg in args.Reverse())
{
argument = this.GetFunction<Rf_cons>()(arg.DangerousGetHandle(), argument);
}
return createCallAndEvaluate(argument);
}