Contents

unless ([1].shift(1) rescue false)
  class Array
    require 'backports/tools/alias_method_chain'
    require 'backports/tools/arguments'

    def shift_with_optional_argument(n = Backports::Undefined)
      return shift_without_optional_argument if n == Backports::Undefined
      n = Backports.coerce_to_int(n)
      raise ArgumentError, "negative array size" if n < 0
      slice!(0, n)
    end
    Backports.alias_method_chain self, :shift, :optional_argument
  end
end

Version data entries

47 entries across 47 versions & 4 rubygems

Version	Path
backports-3.25.0	lib/backports/1.8.7/array/shift.rb
backports-3.24.1	lib/backports/1.8.7/array/shift.rb
backports-3.24.0	lib/backports/1.8.7/array/shift.rb
backports-3.23.0	lib/backports/1.8.7/array/shift.rb
backports-3.22.1	lib/backports/1.8.7/array/shift.rb
backports-3.22.0	lib/backports/1.8.7/array/shift.rb
backports-3.21.0	lib/backports/1.8.7/array/shift.rb
backports-3.20.2	lib/backports/1.8.7/array/shift.rb
backports-3.20.1	lib/backports/1.8.7/array/shift.rb
backports-3.20.0	lib/backports/1.8.7/array/shift.rb
backports-3.19.0	lib/backports/1.8.7/array/shift.rb
backports-3.18.2	lib/backports/1.8.7/array/shift.rb
backports-3.18.1	lib/backports/1.8.7/array/shift.rb
backports-3.18.0	lib/backports/1.8.7/array/shift.rb
files.com-1.0.55	docs/vendor/bundle/ruby/2.5.0/gems/backports-3.12.0/lib/backports/1.8.7/array/shift.rb
backports-3.17.2	lib/backports/1.8.7/array/shift.rb
backports-3.17.1	lib/backports/1.8.7/array/shift.rb
backports-3.17.0	lib/backports/1.8.7/array/shift.rb
backports-3.16.1	lib/backports/1.8.7/array/shift.rb
backports-3.16.0	lib/backports/1.8.7/array/shift.rb