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-rw-r--r--third_party/abseil_cpp/absl/random/internal/distribution_caller.h92
1 files changed, 0 insertions, 92 deletions
diff --git a/third_party/abseil_cpp/absl/random/internal/distribution_caller.h b/third_party/abseil_cpp/absl/random/internal/distribution_caller.h
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index fc81b787ebe2..000000000000
--- a/third_party/abseil_cpp/absl/random/internal/distribution_caller.h
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@@ -1,92 +0,0 @@
-//
-// Copyright 2018 The Abseil Authors.
-//
-// 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
-//
-//      https://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.
-//
-
-#ifndef ABSL_RANDOM_INTERNAL_DISTRIBUTION_CALLER_H_
-#define ABSL_RANDOM_INTERNAL_DISTRIBUTION_CALLER_H_
-
-#include <utility>
-
-#include "absl/base/config.h"
-#include "absl/base/internal/fast_type_id.h"
-#include "absl/utility/utility.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace random_internal {
-
-// DistributionCaller provides an opportunity to overload the general
-// mechanism for calling a distribution, allowing for mock-RNG classes
-// to intercept such calls.
-template <typename URBG>
-struct DistributionCaller {
-  // SFINAE to detect whether the URBG type includes a member matching
-  // bool InvokeMock(base_internal::FastTypeIdType, void*, void*).
-  //
-  // These live inside BitGenRef so that they have friend access
-  // to MockingBitGen. (see similar methods in DistributionCaller).
-  template <template <class...> class Trait, class AlwaysVoid, class... Args>
-  struct detector : std::false_type {};
-  template <template <class...> class Trait, class... Args>
-  struct detector<Trait, absl::void_t<Trait<Args...>>, Args...>
-      : std::true_type {};
-
-  template <class T>
-  using invoke_mock_t = decltype(std::declval<T*>()->InvokeMock(
-      std::declval<::absl::base_internal::FastTypeIdType>(),
-      std::declval<void*>(), std::declval<void*>()));
-
-  using HasInvokeMock = typename detector<invoke_mock_t, void, URBG>::type;
-
-  // Default implementation of distribution caller.
-  template <typename DistrT, typename... Args>
-  static typename DistrT::result_type Impl(std::false_type, URBG* urbg,
-                                           Args&&... args) {
-    DistrT dist(std::forward<Args>(args)...);
-    return dist(*urbg);
-  }
-
-  // Mock implementation of distribution caller.
-  // The underlying KeyT must match the KeyT constructed by MockOverloadSet.
-  template <typename DistrT, typename... Args>
-  static typename DistrT::result_type Impl(std::true_type, URBG* urbg,
-                                           Args&&... args) {
-    using ResultT = typename DistrT::result_type;
-    using ArgTupleT = std::tuple<absl::decay_t<Args>...>;
-    using KeyT = ResultT(DistrT, ArgTupleT);
-
-    ArgTupleT arg_tuple(std::forward<Args>(args)...);
-    ResultT result;
-    if (!urbg->InvokeMock(::absl::base_internal::FastTypeId<KeyT>(), &arg_tuple,
-                          &result)) {
-      auto dist = absl::make_from_tuple<DistrT>(arg_tuple);
-      result = dist(*urbg);
-    }
-    return result;
-  }
-
-  // Default implementation of distribution caller.
-  template <typename DistrT, typename... Args>
-  static typename DistrT::result_type Call(URBG* urbg, Args&&... args) {
-    return Impl<DistrT, Args...>(HasInvokeMock{}, urbg,
-                                 std::forward<Args>(args)...);
-  }
-};
-
-}  // namespace random_internal
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_RANDOM_INTERNAL_DISTRIBUTION_CALLER_H_