Abseil Common Libraries (C++) (grcp 依赖) https://abseil.io/
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// 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
//
// 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.
#include <cstdlib>
#include "absl/hash/hash.h"
// Prints the hash of argv[1].
int main(int argc, char** argv) {
if (argc < 2) return 1;
printf("%zu\n", absl::Hash<int>{}(std::atoi(argv[1]))); // NOLINT
}