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From: Maxim Yegorushkin (maxim.yegorushkin_at_[hidden])
Date: 2006-04-10 05:24:11

On 4/10/06, Bronek Kozicki <brok_at_[hidden]> wrote:
> Maxim Yegorushkin <maxim.yegorushkin_at_[hidden]> wrote:
> > All developers I know roll out their own versions of lexical_cast.
> > Last time I checked the implementation of boost::lexical_cast it had
> > efficiency bugs. There at least should be specializations for string
> > -> integer/double conversions that use strtoul/d functions directly
> > rather than iostreams.
> the other problem that I have with lexical_cast is that currently it's
> impossible to tell whether particular conversion will fail without
> actually catching exception (which implies huge performance penalty).
> This is needed in all situations where "invalid" input is not an error
> (eg. optional data coming from external source)

True. Boost have long ignored these issues, no wonder they accepted it

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