mr_freeze

Real name: Dr Victor Fries

Description

Freeze arrays, hashes, and their contents

Example

gem install mr_freeze

# without mr_freeze
hash = {"some" => "hash"}.freeze
hash["some"].sub!(/h/, "b")

# => uh oh... we've changed the string in place

# load mr_freeze
require 'rubygems'
require 'mr_freeze'

# with mr_freeze
hash = {"victor" => "fries"}.freeze!
hash["victor"].sub!(/f/, "c")

# => TypeError: can't modify frozen string

License

mr_freeze is released under the MIT License.