envy for "Writing Go Packages"
a at a.a
Mon May 17 11:35:20 PDT 2010
"Sean Kelly" <sean at invisibleduck.org> wrote in message
news:1012172047295742031.093272sean-invisibleduck.org at news.digitalmars.com...
> BCS <none at anon.com> wrote:
>> Hello BCS,
>> > Hello Walter,
>> > >> BCS wrote:
>> >> >>> My program imports lib A and B. Lib A imports lib C and asks
>> > > > > > for
>> >>> version "X". Lib B imports lib C and asks for version "!X". Who
>> >>> wins?
>> >>> >> Compilation error.
>> >> > Exactly. If there were a way for A to ask for X or Y and B to ask
>> > > > for
>> > Y or Z than the solution is easy: Y.
>> And to finish the thought; a system that only allows a program to ask
>> for a single version is worse than one that doesn't allow any or
>> allows many.
> How does . NET work? I recall versioning being an integral part of the
IIRC, When MS said that, it turned out they were really just talking about
things like "depricated" keyword and designing the OO polymorphism so that
changing one thing won't accidentally break something else (ex: manditory
"override" keyword when overriding a base class function). I found it
confusing too that they referred to that as "versioning".
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