52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <butter/butter.h>
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#if ( \
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defined(BUTTER_FUNCTION_OVERRIDE_INCLUDE) && \
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defined(BUTTER_FUNCTION_OVERRIDE))
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#include BUTTER_FUNCTION_OVERRIDE_INCLUDE
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#elif defined(BUTTER_USE_FOLLY_CONTAINERS)
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#include <folly/Function.h>
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#else
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#include <functional>
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#endif
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namespace facebook {
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namespace butter {
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#if ( \
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defined(BUTTER_FUNCTION_OVERRIDE_INCLUDE) && \
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defined(BUTTER_FUNCTION_OVERRIDE))
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template <typename... Ts>
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using function = BUTTER_FUNCTION_OVERRIDE<Ts...>;
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#elif defined(BUTTER_USE_FOLLY_CONTAINERS)
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template <typename... Ts>
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using function = folly::Function<Ts...>;
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#else
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template <typename... Ts>
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using function = std::function<Ts...>;
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#endif
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} // namespace butter
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} // namespace facebook
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