Class: Array

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

Instance Method Summary collapse

Instance Method Details

#sum ⇒ Object 



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# File 'lib/core_ext.rb', line 3

def sum
  inject(0) do |sum, each|
    block_given? ? sum + yield(each) : sum + each
  end
end