From: Florian Gross <florgro@...>
Date: 2007-07-16T14:23:11+09:00
Subject: Re: sprintf: Format specifier tokens aren't checked well enough

On Jul 16, 5:57 am, Nobuyoshi Nakada <n...@ruby-lang.org> wrote:
> > big = -(2 ** 80 + 5)
> > "%u" % big # => "-79226953588444722964369244155"
> > "%.50u" % big # =>
> > "....................-79226953588444722964369244155"
>
> > "%+u" % big # => "-1208925819614629174706181"
> > big.to_s # => "-1208925819614629174706181"
>
> I'm not sure if this is broken.  Can you explain the results
> what you expect?

I'd expect negative bignums to produce results with at least two dots
(no "-"!) and the real bits for "%u" and "%.20u".  I'm OK with "%+u"
producing the same as big.to_s.

That way it would match the behaviour of "%u" and fixnums.