mtunjic/uniq.rb

Created August 4, 2011 07:57

Star (0) You must be signed in to star a gist
Fork (0) You must be signed in to fork a gist

Select an option

Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/mtunjic/1124682.js"></script>
Save mtunjic/1124682 to your computer and use it in GitHub Desktop.

Download ZIP

Remove Duplicate Active Record Objects

Raw

uniq.rb

	require 'set'
	class Array
	def uniq_by
	seen = Set.new
	select{ \|x\| seen.add?( yield( x ) ) }
	end
	end

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment