class Benchmark::IPS::Job::MultiReport

def <<(report)
  if report.kind_of?(MultiReport)
    self << report.out
  elsif report.kind_of?(Enumerable)
    @out += report
  elsif report
    @out << report
  end
end

def add_report(item, caller)
  @out.each { |o| o.add_report(item, caller) }
end

def empty?
  @out.empty?
end

def footer
  @out.each { |o| o.footer if o.respond_to?(:footer) }
end

def initialize(out = nil)
  @out = []
  self << out
end

def quiet!
  @out.delete_if { |rpt| rpt.kind_of?(StreamReport) }
end

def quiet?
  @out.none? { |rpt| rpt.kind_of?(StreamReport) }
end

def running(label, warmup)
  @out.each { |o| o.running(label, warmup) }
end

def start_running
  @out.each { |o| o.start_running if o.respond_to?(:start_running) }
end

def start_warming
  @out.each { |o| o.start_warming if o.respond_to?(:start_warming) }
end

def warming(label, warmup)
  @out.each { |o| o.warming(label, warmup) }
end

def warmup_stats(warmup_time_us, timing)
  @out.each { |o| o.warmup_stats(warmup_time_us, timing) }
end