[Gambas-user] ambiguous help

Benoît Minisini gambas at ...1...
Wed Aug 19 16:26:18 CEST 2009


> Doriano Blengino a écrit :
> > Jean-Yves F. Barbier ha scritto:
> >> Hi list,
> >>
> >> I made a test as: A=B=C=5, the non-clear error msg is:
> >> "Ambiguous expression. Please use braces"
> >> does it mean: {curly braces}, (round brackets / parenthesis) or [square
> >> brackets]? (as many people improperly use the 2nd one with this name)
> >>
> >> JY
> >
> > As this is basic (well, "Almost Basic"), normal parenthesis (-) should
> > be used...
>
> so, its brackets, not braces
>

You're right, I will fix that.

> > Are you trying to test for "B equals C" and assign the result to A? Or
> > whatever? The gambas parser is not the most intelligent I've seen, but
> > the expression is truely ambiguous, so the reply of the parser is
> > 'correctly' ambiguous too... :-)
>
> no, I don't wanna make a comparison, I just wanna have A=5, B=5 & C=5
> (did that in C if I remember well), as normally, the rightmost operande
> should propagate to the left.
> That's not SO important: I was just making small test to see if it was
> possible, this is a very common writing in Python too.

You must each assignment on its own line:

A = 5
B = 5
C = 5

Because of the BASIC syntax, '=' is the assignment operator *and* the equality 
comparison operator, and so the C-like syntax cannot be implemented.

Regards,

-- 
Benoît




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