/*
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2015 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
}
}
+template <typename E, typename V, typename... Args>
+void throwOnFail(V&& value, Args&&... args) {
+ if (!value) {
+ throw E(std::forward<Args>(args)...);
+ }
+}
+
+/**
+ * If cond is not true, raise an exception of type E. E must have a ctor that
+ * works with const char* (a description of the failure).
+ */
+#define CHECK_THROW(cond, E) \
+ ::folly::throwOnFail<E>((cond), "Check failed: " #cond)
+
} // namespace folly
#endif /* FOLLY_EXCEPTION_H_ */
-