# Copyright 2021-2024 Cambridge Quantum Computing Ltd.
#
# 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.
"""
Types
=====
A standardised set of types that can be used with lambeq.
"""
__all__ = ['AtomicType']
from enum import Enum
from lambeq.backend.grammar import Ty
[docs]class AtomicType(Ty, Enum):
"""Standard pregroup atomic types."""
name: str
_value_: str
def __new__(cls, value: str) -> Ty: # type: ignore[misc]
ret = object.__new__(Ty)
ret.__setattr__('_value_', value) # required for Python 3.11+
return ret
NOUN = 'n'
NOUN_PHRASE = 'n'
SENTENCE = 's'
PREPOSITIONAL_PHRASE = 'p'
CONJUNCTION = 'conj'
PUNCTUATION = 'punc'