[PD] first exercise with data structures

[João Pais]

> ----- Mail original -----
>> De: "Alexandre Torres Porres" <porres at gmail.com>
>
>> I've just started tweaking with it to see if I finally learn it, but
>> it's crashing a lot!!! I'm just changing arguments in the struct
>> object and it crashes... I clicl on GOP box and it crashes... things
>> like that.
>
> Every scalars have to be removed before modifying [struct] otherwise it  
> crashes

not exactly. sometimes Pd crashes when you change a template (specially if
the scalars are being displayed), but that's not a thumb rule.