Contents

class Array
  class ExpectedOneElementError < StandardError; end

  # To make sanity checking a bit easier.
  def only
    raise ExpectedOneElementError unless count == 1
    first
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
junk_drawer-0.0.2	lib/core_extensions/array.rb
junk_drawer-0.0.1	lib/core_extensions/array.rb