C++ (Cpp) locked_device Examples

Example #1

File: try_lock_device.cpp Project: gergalerg/Boost

 static boost::optional<locked_device> try_lock_device() {
     /* if (rand() % 2 == 0) {
         // failed to lock device
         return boost::none;
     }
     Sucess! */
     return locked_device("Device name");
 }

Example #2

File: optional.cpp Project: ChrisChen3121/MySourceLib

 static boost::optional<locked_device> try_lock_device() {
   if (rand() % 2) {
     return boost::none;
   }
   return locked_device("device name");
 }