Hi Fabio,

I agree with Thomas that even if optimization is possible it doesn't mean it should be implemented because its effect either non-significant or it can be implemented in code in special cases.

>
>I Agree.
>
>I have intentional to show a possible improvement for the simple loops,
>and only to say that it is possible to make it with the compiler.
>
>As an example,
>the optimization of the
>- use of the string variables into VFP command.
>

>? LEN(m.String)
>? LEN(@m.String)  && don't copy the string into the VM buffer
>

>- to change a property's value using the same property's value
>

>object.property= fn(object.property) && scan object's property list 1 time only
>

>and many others are more useful.
>
>Fabio