Re: [boost] Preminary submission: format3

From: James Kanze (kanze_at_[hidden])
Date: 2002-02-16 11:23:34

"Stewart, Robert" <stewart_at_[hidden]> writes:

|>  From: Peter Dimov [mailto:pdimov_at_[hidden]]
|>  > Sent: Monday, February 11, 2002 12:03 PM
|>  > From: "Karl Nelson" <kenelson_at_[hidden]>
|>  > > Second, what is reasonable here?  Under Microsoft .Net they
|>  > > allow the same argument to be used multiple times.  Or an
|>  > > argument not to be used.  Should this be valid?

|>  > >    cout << format("%2$d %2$x", i, i);

|>  > Why not?

|>  It allows a class of errors -- accidentally referring to the second
|>  argument both times, instead of both -- that it may be better to
|>  prevent.

Correct.  I misread the statement in my previous response.  I thought
that he was asking if we should allow passing the same argument (in this
case, i) several times.

IMHO, the stricter the rules concerning the format, the better, because
it increases the probability of catching an error by the translator.

-- 
James Kanze                                mailto:kanze_at_[hidden]
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