tsort_each_child

# File lib/rubygems/dependency_list.rb, line 217
  def tsort_each_child(node)
    specs = @specs.sort.reverse

    dependencies = node.runtime_dependencies
    dependencies.push(*node.development_dependencies) if @development

    dependencies.each do |dep|
      specs.each do |spec|
        if spec.satisfies_requirement? dep then
          yield spec
          break
        end
      end
    end
  end