memory leak

ml.rb

class TalentsController < ApplicationController
  PUBLICS = %w(screen presenter musical t_stage others)
  layout :different_layout

# memory leak
  def different_layout
    if PUBLICS.tap { |a| a.concat(a.map { |s| s+'_preview' }) }.include?(action_name)
      'talents'
    else
      'admin'
    end
  end

# no memory leak
  def different_layout
    previewed = PUBLICS.map{|s| s+'_preview'}
    #if PUBLICS.tap { |a| a.concat(a.map { |s| s+'_preview' }) }.include?(action_name)
    if previewed.include?(action_name) or PUBLICS.include?(action_name)
      'talents'
    else
      'admin'
    end
  end


end