class Array
Public Instance Methods
rcount_matching() { |item| ... }
click to toggle source
Returns count of items that matches, iteration starts at the end and stops on first not matching item.
@return [Fixnum] count of items
# 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() { |item| ... }
click to toggle source
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).
@return [Fixnum]
# 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