intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 37 insertions, 0 deletions

diff --git a/contrib/restricted/abseil-cpp-tstring/y_absl/base/internal/identity.h b/contrib/restricted/abseil-cpp-tstring/y_absl/base/internal/identity.h
new file mode 100644
index 00000000000..2360afeed24
--- /dev/null
+++ b/contrib/restricted/abseil-cpp-tstring/y_absl/base/internal/identity.h
@@ -0,0 +1,37 @@
+// Copyright 2017 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_BASE_INTERNAL_IDENTITY_H_
+#define ABSL_BASE_INTERNAL_IDENTITY_H_
+
+#include "y_absl/base/config.h"
+
+namespace y_absl {
+ABSL_NAMESPACE_BEGIN
+namespace internal {
+
+template <typename T>
+struct identity {
+  typedef T type;
+};
+
+template <typename T>
+using identity_t = typename identity<T>::type;
+
+}  // namespace internal
+ABSL_NAMESPACE_END
+}  // namespace y_absl
+
+#endif  // ABSL_BASE_INTERNAL_IDENTITY_H_