Luna::failed
template <typename _Ty>
bool failed(const R< _Ty > &r)
Tests whether the specified result is failed.
Parameters
-
in r
The result to test.
Return value
Returns true if the result is failed. Returns false otherwise.
template <typename _Ty>
bool failed(const R< _Ty > &r)
Tests whether the specified result is failed.
in r
The result to test.
Returns true if the result is failed. Returns false otherwise.