# encoding: UTF-8
#
# Author:    Stefano Harding <riddopic@gmail.com>
# License:   Apache License, Version 2.0
# Copyright: (C) 2014-2015 Stefano Harding
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# Add #exclude
module Enumerable
  unless method_defined?(:exclude?)
    # The inverse of #include?.
    #
    # @example
    #  [:a, :b].exclude?(:c)  # => true
    #  [:a, :b].exclude?(:a)  # => false
    #
    # @api public
    def exclude?(object)
      !include?(object)
    end
  end
end