Support to return enumerator when no block given

mruby · Mar 15, 2017 · 4ee79a8 · 4ee79a8
1 parent 673ce23
commit 4ee79a8
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mrblib/string.rb b/mrblib/string.rb
@@ -10,6 +10,7 @@ class String
   #
   # ISO 15.2.10.5.15
   def each_line(rs = "\n", &block)
+    return to_enum(:each_line, rs, &block) unless block
     return block.call(self) if rs.nil?
     rs = rs.to_str
     offset = 0