[Gambas-user] InStr and gb.Case

[Emil Lenngren]

If InStr was a normal function written in Gambas, InStr(sTmp, "test",,
gb.IgnoreCase) should work. But the native functions don't really follow
any rules :)
In the interpreter: The parameters are passed without any checks for data
types or number of parameters. Such things are handled by the functions
themselves.
In the compiler: Native functions are not handled the same way as user
functions. Each native function simply have a min-parameters and a
max-parameters value. No type-checking is done either. That's why many
native functions accept any data type (no Variants here) and do different
things depending on that, for example TypeOf and Str$.

2012/4/16 Benoît Minisini <gambas at ...1...>

> Le 16/04/2012 18:30, Jussi Lahtinen a écrit :
> > http://gambasdoc.org/help/lang/instr?v3
> >
> > With this:
> > If InStr(sTmp, "test",, gb.Case) = 0 Then
> >
> > I get error " Unexpected ','. ", argument is optional so I don't expect
> > this.
> >
> >
> > With this:
> > If InStr(sTmp, "test", 0, gb.Case) = 0 Then
> >
> > I get error " Unknown symbol 'Case' in class 'gb'. ", it doesn't seem to
> > exist in Gambas 3, but how I then do case-insensitive comparison?
> >
> >
> > Jussi
>
> Documentation fixed in the wiki! :-)
>
> --
> Benoît Minisini
>
>
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