Contents

module Spruz
  module UniqBy
    def uniq_by(&b)
      b ||= lambda { |x| x }
      inject({}) { |h, e| h[b[e]] ||= e; h }.values
    end
  end
end

Version data entries

17 entries across 17 versions & 1 rubygems

Version	Path
spruz-0.2.13	lib/spruz/uniq_by.rb
spruz-0.2.12	lib/spruz/uniq_by.rb
spruz-0.2.11	lib/spruz/uniq_by.rb
spruz-0.2.10	lib/spruz/uniq_by.rb
spruz-0.2.9	lib/spruz/uniq_by.rb
spruz-0.2.8	lib/spruz/uniq_by.rb
spruz-0.2.7	lib/spruz/uniq_by.rb
spruz-0.2.6	lib/spruz/uniq_by.rb
spruz-0.2.5	lib/spruz/uniq_by.rb
spruz-0.2.2	lib/spruz/uniq_by.rb
spruz-0.2.1	lib/spruz/uniq_by.rb
spruz-0.2.0	lib/spruz/uniq_by.rb
spruz-0.1.5	lib/spruz/uniq_by.rb
spruz-0.1.3	lib/spruz/uniq_by.rb
spruz-0.1.2	lib/spruz/uniq_by.rb
spruz-0.1.1	lib/spruz/uniq_by.rb
spruz-0.1.0	lib/spruz/uniq_by.rb