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__must_check is a macro mark of function return value. It let developer must check the return value is legal or not.
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#include <gtest/gtest.h> | ||
#include <paddle/platform/must_check.h> | ||
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int __must_check SomeFunctionMustCheck() { return 0; } | ||
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TEST(MustCheck, all) { | ||
// This line should not be compiled, because the | ||
// return value of SomeFunctionMustCheck marked as __must_check | ||
// SomeFunctionMustCheck(); | ||
} |
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