# File lib/more/facets/enumargs.rb, line 47 def self.wrap_enumerable_method( methodname ) m = methodname meth = Enumerable.instance_method(m) arity = meth.arity case arity <=> 0 when 0 class_eval %{ def #{m}( *args, &yld ) enum_for(:each, *args).#{m}( &yld ) end } when 1 class_eval %{ def #{m}( *args, &yld ) args, each_args = args[0...#{arity}], args[#{arity}..-1] enum_for(:each, *each_args).#{m}( *args, &yld ) end } else class_eval %{ def #{m}( *args, &yld ) enum_for(:each).#{m}( *args, &yld ) end } end end