Module: Enumerable

Defined in:

lib/rails_best_practices/core_ext/enumerable.rb

Instance Method Summary

• #dups ⇒ Enumerable

  Get the duplicate entries from an Enumerable.

Instance Method Details

#dups ⇒ Enumerable

Get the duplicate entries from an Enumerable.

Returns:

• (Enumerable) —

  the duplicate entries.

# File 'lib/rails_best_practices/core_ext/enumerable.rb', line 6

def dups
  inject({}) {|h,v| h[v]=h[v].to_i+1; h}.reject{|k,v| v==1}.keys
end