Module: Enumerable
- Defined in:
- lib/es.rb
Overview
Hack for 1.8.7 uniq on array does not take block
Instance Method Summary collapse
Instance Method Details
#uniq_by ⇒ Object
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# File 'lib/es.rb', line 1073 def uniq_by seen = Hash.new { |h,k| h[k] = true; false } reject { |v| seen[yield(v)] } end |