# Copyright 2022 InstaDeep Ltd. All rights reserved.
#
# 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.

# Node
INVALID_NODE = -1
UTILITY_NODE = -1
EMPTY_NODE = -1
DUMMY_NODE = -10

# Edges
EMPTY_EDGE = -1

# Actions
INVALID_CHOICE = -1
INVALID_TIE_BREAK = -2
INVALID_ALREADY_TRAVERSED = -3
