method

sum

v6.1.3.1 - Show latest stable - 0 notes - Class: Array

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What's this?

sum(init = nil, &block) public

Array#sum was added in Ruby 2.4 but it only works with Numeric elements.

# File activesupport/lib/active_support/core_ext/enumerable.rb, line 241
  def sum(init = nil, &block)
    if init.is_a?(Numeric) || first.is_a?(Numeric)
      init ||= 0
      orig_sum(init, &block)
    else
      super
    end
  end

sum

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