diff options
author | jeg2 <jeg2@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-11-24 00:44:41 +0000 |
---|---|---|
committer | jeg2 <jeg2@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-11-24 00:44:41 +0000 |
commit | 895e9b0acd986cf3dba7df60fb00c5ca3607c844 (patch) | |
tree | 77fc34aee486de9e092b82b7427d8d7f461b2128 /lib/csv.rb | |
parent | 34176b023eb42478bad22481d90d6223b5a31d48 (diff) | |
download | ruby-895e9b0acd986cf3dba7df60fb00c5ca3607c844.tar.gz |
* lib/csv.rb: Optimize header hashes by freezing string keys.
[ruby-core:58510]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/csv.rb')
-rw-r--r-- | lib/csv.rb | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/csv.rb b/lib/csv.rb index d66b84922a..a4d8e3d0a8 100644 --- a/lib/csv.rb +++ b/lib/csv.rb @@ -235,6 +235,7 @@ class CSV # def initialize(headers, fields, header_row = false) @header_row = header_row + headers.each { |h| h.freeze if h.is_a? String } # handle extra headers or fields @row = if headers.size > fields.size @@ -2208,6 +2209,7 @@ class CSV # prepare converted and unconverted copies row = @headers if row.nil? @headers = convert_fields(@headers, true) + @headers.each { |h| h.freeze if h.is_a? String } if @return_headers # return headers return self.class::Row.new(@headers, row, true) |