erb.rb: Tiny improvement of compiling cost

by reducing string allocation. * Before app_erb 0.687 * After app_erb 0.679 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58908 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-05-26 14:17:55 +00:00 · 2017-05-26 14:17:55 +00:00 · 43572889b3
commit 43572889b3
parent 9f9f8236ff
1 changed files with 1 additions and 1 deletions
--- a/lib/erb.rb
+++ b/lib/erb.rb
@ -582,7 +582,7 @@ class ERB
    def content_dump(s) # :nodoc:
      n = s.count("\n")
      if n > 0
-        s.dump + "\n" * n
+        s.dump << "\n" * n
      else
        s.dump
      end