method
    
    fu_check_options
  fu_check_options(options, optdecl)
  private
  
    Hide source    
    
      
  
# File lib/fileutils.rb, line 1435 def fu_check_options(options, optdecl) #:nodoc: h = options.dup optdecl.each do |opt| h.delete opt end raise ArgumentError, "no such option: #{h.keys.join(' ')}" unless h.empty? end

  
  
  