# File lib/rubygems/gem_path_searcher.rb, line 16
  def initialize
    # We want a record of all the installed gemspecs, in the order
    # we wish to examine them.
    @gemspecs = init_gemspecs
    # Map gem spec to glob of full require_path directories.
    # Preparing this information may speed up searches later.
    @lib_dirs = {}
    @gemspecs.each do |spec|
      @lib_dirs[spec.object_id] = lib_dirs_for(spec)
    end
  end