Fix flag iterator each without given block.

Author: gemmaro

CHANGELOG.md

@@ -2,8 +2,8 @@
 
 ## Unreleased
 
-- Fix file each message method and message iterator each method
-  without given block.
+- Enable file each message method and message iterator each method
+  flag iterator each method to run without given block.
 
 ## CRuby and mruby version 0.3.0 - 2026-03-17
 

mrblib/mrb_gettextpo_common.rb

@@ -141,7 +141,12 @@ def self.new # :nodoc:
             "please use other methods instead, such as GettextPO::Message#workflow_flag_iterator"
     end
 
-    def each # yields: flag
+    # call-seq:
+    #   each { |flag| ... }
+    #   each -> Enumerator
+    def each
+      block_given? or return enum_for
+
       while true
         begin
           yield self.next

test/flag.rb

@@ -6,15 +6,19 @@
   file = GettextPO::File.new
   message = file.message_iterator.insert('msgid1', 'msgstr1')
   message.respond_to?(:update_workflow_flag) or next true
+
   message.update_workflow_flag('fuzzy')
   iter = message.workflow_flag_iterator
   assert_equal 'fuzzy', iter.next
   assert_raise StopIteration do
     iter.next
   end
 
+  assert_equal ['fuzzy'], message.workflow_flag_iterator.each.to_a
+
   message.update_sticky_flag('no-wrap')
   iter = message.sticky_flag_iterator
   assert_equal ['no-wrap'], iter.to_a
+
   true
 end