28 lines
1.0 KiB
C
28 lines
1.0 KiB
C
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/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_COMPILE_ASSERT_H_
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#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_COMPILE_ASSERT_H_
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template <bool>
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struct CompileAssert {};
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// Use this macro to verify at compile time that certain restrictions are met.
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// The first argument is the expression to evaluate, the second is a unique
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// identifier for the assert.
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// Example:
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// COMPILE_ASSERT(sizeof(foo) < 128, foo_too_large);
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#undef COMPILE_ASSERT
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#define COMPILE_ASSERT(expr, msg) \
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typedef CompileAssert<static_cast<bool>(expr)> \
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msg[static_cast<bool>(expr) ? 1 : -1]
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#endif // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_COMPILE_ASSERT_H_
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