Class: Array

Inherits:
Object show all
Defined in:
lib/guerrilla_patch/kernel.rb

Overview

add sum to array, with or without name

Instance Method Summary collapse

Instance Method Details

#sum(name = nil) ⇒ Object 



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# File 'lib/guerrilla_patch/kernel.rb', line 50

def sum(name = nil)
  self.map(&name).reduce(0, :+)
end