protected override Completion ExecuteImpl(ExecutionEnvironment enviroment)
{
if (Length1 == null || Length2 == null)
{
return(Completion.Exception(Language.NullException, this));
}
Completion c = Length1.Execute(enviroment);
if (!c.IsValue)
{
return(c);
}
if (!(c.ReturnValue is int))
{
return(Completion.Exception(Language.NotNumberException, Length1));
}
Completion l = Length2.Execute(enviroment);
if (!l.IsValue)
{
return(l);
}
if (!(l.ReturnValue is int))
{
return(Completion.Exception(Language.NotNumberException, Length2));
}
return(new Completion(new object[(int)c.ReturnValue, (int)l.ReturnValue]));
}
