# File lib/mole/module.rb, line 30
  def mole_perf( opts={}, &interceptor )    
    opts[:interceptor] ||= interceptor
    opts[:method]      ||= :call             
    opts[:features]    ||= instance_methods( false )
    opts[:features].each do |feature|  
      wrap feature
      perf_mole_filters[feature.to_s] << [opts[:interceptor], opts[:method]]
    end    
  end