lib/open_classes/array.rb in tbpgr_utils-0.0.17 vs lib/open_classes/array.rb in tbpgr_utils-0.0.18

@@ -129,13 +129,21 @@
       memo = instance_eval "yield(memo, #{eval_each_str})"
     end
     memo
   end
 
-  alias_methods [:together_collect, :tmap, :tcollect], :together_map
-  alias_methods [:together_find_all, :tselect, :tfindall], :together_select
-  alias_methods [:together_inject, :treduce, :tinject], :together_reduce
+  # Arrays bulk concat.
+  #
+  #   alpha = %w{one two three}
+  #   numbers = %w{1 2 3}
+  #   [alpha, numbers].together do |first, second|
+  #     print "#{first}:#{second}\n"  # => output one:1, two:2, three:3
+  #   end
+  def together_concat(other)
+    if_not_contain_array_rails_type_error
+    each { |list|list.concat other }
+  end
 
   private
 
   def if_not_contain_array_rails_type_error
     each { |f|fail TypeError, "you have to use [Array1, Array2, ...] | #{f.class} is invalid" unless f.class == Array }
@@ -179,6 +187,11 @@
   end
 
   def together_return_multi?(list)
     (list.class == Array && list.size == size).to_bool
   end
+
+  alias_method :tconcat, :together_concat
+  alias_methods [:together_collect, :tmap, :tcollect], :together_map
+  alias_methods [:together_find_all, :tselect, :tfindall], :together_select
+  alias_methods [:together_inject, :treduce, :tinject], :together_reduce
 end