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#
# 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.
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cdef extern from "folly/lang/Cast.h" namespace "folly" nogil:
    cdef T down_cast_ref "folly::down_cast"[T, S](S ref)
    cdef T* down_cast_ptr "folly::down_cast"[T, S](S* ptr)
