load_spec

# File lib/rubygems/resolver/installer_set.rb, line 182
  def load_spec name, ver, platform, source # :nodoc:
    key = "#{name}-#{ver}-#{platform}"

    @specs.fetch key do
      tuple = Gem::NameTuple.new name, ver, platform

      @specs[key] = source.fetch_spec tuple
    end
  end