Re: [Boost-users] [lexical_cast][1.33.0] Changed behavior from 1.32.0?

From: Thomas Matelich (matelich_at_[hidden])
Date: 2005-12-05 13:40:34

http://lists.boost.org/Archives/boost/2005/08/91573.php

On 12/5/05, john.wismar_at_[hidden] <john.wismar_at_[hidden]> wrote:
>
> Doug Gregor <dgregor_at_[hidden]> wrote on 11/18/2005 03:41:30 PM:
>
>
>  > On Nov 18, 2005, at 4:00 PM, john.wismar_at_[hidden] wrote:
>  > > We've noticed some changed behavior in a module that's using
>  > > lexical_cast, having gone from 1.32.0 to 1.33.0.  I tracked it down to
>  > > this change:
>  > > [snip
>  > > It turns out that we are passing a string containing a number with a
>  > > trailing space.  The 1.32.0 version of lexical_cast did not mind the
>  > > trailing space, but the 1.33.0 version throws a bad_lexical_cast
>  > > exception.  I found that if I change this:
>  > >                        stream.get() ==
>  > > to this:
>  > >                        (stream >> std::ws).get() ==
>  > >
>  > > that my issue goes away, but the workaround for compilers without the
>  > > eof() function still works....  Would it be possilbe to add this into
>  > > 1.34.0, or is this undesirable behavior?
>  >
>  > This looks like a reasonably change to me; I hope that someone more
>  > involved in lexical_cast<> can give us more information, either
>  > rationale for the 1.33.0 behavior or confirmation that this is a bug.
>  > If it is a change that needs to be made, we'll put it in 1.33.1.
>
> Looks like the change was not made in the RC....
>
>
>  --------------------------------
>  John Wismar
>  john.wismar_at_[hidden]
>
>
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