# File lib/twitter/ext/stdlib.rb, line 42
  def gem_present?(gem_name, version = nil)
    present = false
    begin
      present = !!(version ? gem(gem_name, version) : gem(gem_name))
    rescue Gem::LoadError => le
      present = false
      warn("Gem load error: Couldn't load #{gem_name} #{version ? "with version requirement #{version}: #{le.to_s}": ""}")
    end
    present
  end