unreachable.h

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namespace clarisma {
// Copyright (c) 2024 Clarisma / GeoDesk contributors
// SPDX-License-Identifier: LGPL-3.0-only
 
#pragma once
 
#ifdef _DEBUG
#define UNREACHABLE_CASE assert(false); break;
#else
#ifdef __GNUC__  // GCC compiler check
#define UNREACHABLE_CASE __builtin_unreachable();
#elif defined(_MSC_VER)  // MSVC compiler check
#define UNREACHABLE_CASE __assume(0);
#endif
#endif
 
} // namespace clarisma