diff options
author | eban <eban@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-03-23 13:24:45 +0000 |
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committer | eban <eban@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2003-03-23 13:24:45 +0000 |
commit | 051eca3268b769aec21ad3c8405f299016d9b330 (patch) | |
tree | 0050b1cb4c321366cf4089e4471563ae9c2fd9cf /lib | |
parent | 31e2a889a0c203f21336be3b8e1cf19868ef41eb (diff) |
* lib/jcode.rb (tr!, delete!, szueeze!): add empty string checking.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3602 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
-rw-r--r-- | lib/jcode.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/jcode.rb b/lib/jcode.rb index 1e8fd64518..e0a2a99fce 100644 --- a/lib/jcode.rb +++ b/lib/jcode.rb @@ -130,7 +130,8 @@ class String public def tr!(from, to) - return self.delete!(from) if to.length == 0 + return nil if from == "" + return self.delete!(from) if to == "" pattern = TrPatternCache[from] ||= /[#{_regex_quote(from)}]/ if from[0] == ?^ |