diff options
Diffstat (limited to 'src/util')
| -rw-r--r-- | src/util/check.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/util/check.h b/src/util/check.h index 5cc078b36b..3d534fd33e 100644 --- a/src/util/check.h +++ b/src/util/check.h @@ -25,7 +25,7 @@ class NonFatalCheckError : public std::runtime_error * - where the condition is assumed to be true, not for error handling or validating user input * - where a failure to fulfill the condition is recoverable and does not abort the program * - * For example in RPC code, where it is undersirable to crash the whole program, this can be generally used to replace + * For example in RPC code, where it is undesirable to crash the whole program, this can be generally used to replace * asserts or recoverable logic errors. A NonFatalCheckError in RPC code is caught and passed as a string to the RPC * caller, which can then report the issue to the developers. */ @@ -46,4 +46,14 @@ class NonFatalCheckError : public std::runtime_error #error "Cannot compile without assertions!" #endif +/** Helper for Assert(). TODO remove in C++14 and replace `decltype(get_pure_r_value(val))` with `T` (templated lambda) */ +template <typename T> +T get_pure_r_value(T&& val) +{ + return std::forward<T>(val); +} + +/** Identity function. Abort if the value compares equal to zero */ +#define Assert(val) [&]() -> decltype(get_pure_r_value(val))& { auto& check = (val); assert(#val && check); return check; }() + #endif // BITCOIN_UTIL_CHECK_H |