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// Copyright 2009-present MongoDB, 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.
#pragma once
#include <cstdio>
#include <cstdlib>
#if defined(_MSC_VER)
#define EXAMPLES_CDECL __cdecl
#else
#define EXAMPLES_CDECL
#endif
#define EXAMPLES_CONCAT2(a, b) EXAMPLES_CONCAT_IMPL(a, b)
#define EXAMPLES_CONCAT3(a, b, c) EXAMPLES_CONCAT2(EXAMPLES_CONCAT2(a, b), c)
#define EXAMPLES_CONCAT4(a, b, c, d) \
EXAMPLES_CONCAT2(EXAMPLES_CONCAT2(a, b), EXAMPLES_CONCAT2(c, d))
#define EXAMPLES_CONCAT_IMPL(a, b) a##b
#define EXAMPLES_STR(e) #e
// Unconditionally `assert()` expectations in examples.
#define EXPECT(...) \
if (!static_cast<bool>(__VA_ARGS__)) { \
std::printf( \
"%s:%d: %s: expectation failed: %s\n", __FILE__, __LINE__, __func__, #__VA_ARGS__); \
std::fflush(stdout); \
std::abort(); \
} else \
((void)0)
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