Class: Array

Inherits:
Object show all
Defined in:
lib/bade/ruby_extensions/array.rb

Instance Method Summary collapse

Instance Method Details

#rcount_matching ⇒ Fixnum

Returns count of items that matches, iteration starts at the end and stops on first not matching item.



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# File 'lib/bade/ruby_extensions/array.rb', line 30

def rcount_matching
  count = 0

  reverse_each do |item|
    break unless yield item

    count += 1
  end

  count
end

#rindex_last_matching ⇒ Fixnum

Returns index of last matching item when iterating from back to start of self.

Returns nil when the first item does not match (when iterating from back).



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# File 'lib/bade/ruby_extensions/array.rb', line 10

def rindex_last_matching
  return nil if empty?

  index = nil

  current_index = count - 1
  reverse_each do |item|
    break unless yield item

    index = current_index
    current_index -= 1
  end

  index
end