From: Jim Weirich <jim@...>
Date: 2006-01-18T07:13:13+09:00
Subject: Re: basic question about Fixnum & Integer

Guillaume Marcais wrote:
> Is it true that RubyGems requires mathn? It seems so to me:

No, it does not.

  $ ruby -rubygems -e 'p $".include?("mathn.rb")'
  false

But it does require 'time',
which requires 'parsedate',
which requires 'date/format',
which requires 'rational',
which adds the 'lcm' method).

Any of the standard libraries (e.g. time, parsedate, time/format) may 
load things that you haven't explicitly asked for.

-- Jim Weirich

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