Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/core_ext/array.rb

Instance Method Summary collapse

Instance Method Details

#uniq_by ⇒ Object 



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# File 'lib/core_ext/array.rb', line 2

def uniq_by
  hash, array = {}, []
  each { |i| hash[yield(i)] ||= (array << i) }
  array
end