1 files changed, 29 insertions, 0 deletions
diff --git a/third_party/absl/container/flat_hash_set.h b/third_party/absl/container/flat_hash_set.h
new file mode 100644
index 0000000..199f866
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+++ b/third_party/absl/container/flat_hash_set.h
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+// Copyright 2016 Google Inc.
+//
+// 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.!
+
+#ifndef ABSL_CONTAINER_FLAT_HASH_SET_
+#define ABSL_CONTAINER_FLAT_HASH_SET_
+
+#include <unordered_set>
+
+namespace absl {
+
+template <typename T, typename Hash = std::hash<T>,
+          typename Eq = std::equal_to<T>,
+          typename Allocator = std::allocator<T>>
+using flat_hash_set = std::unordered_set<T, Hash, Eq, Allocator>;
+
+}
+
+#endif  // ABSL_CONTAINER_FLAT_HASH_SET_