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# Copyright 2013 Petr Chalupa <git+algebrick@pitr.ch>
#
# 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.
module Algebrick
# Any value of Algebraic type is kind of Value
module Value
include TypeCheck
include Matching
def ==(other)
raise NotImplementedError
end
def type
raise NotImplementedError
end
def to_s
raise NotImplementedError
end
def pretty_print(q)
raise NotImplementedError
end
def inspect
to_s
end
end
end
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