1、dynamic_cast在将父类cast到子类时,父类必须要有虚函数,否则编译器会报错。 2、 dynamic_cast主要用于类层次间的上行转换和下行转换,还可以用于类之间的交叉转换。 在类层次间进行上行转换时,dynamic_cast和static_cast的效果是一样的; 在进行下行转换时,dynamic_cast具有类型检查的功能,比static_cast更安全。
At least one processing device () is communicatively coupled to the simulcast communication network. The at least one processing device is responsive to a determination that the first T/R site has experienced at least one fault to initiate a dynamic control point arbitration (DCPA) session. The...
Static and dynamic three-point bending characteristics of ferritic spheroidal graphite cast iron at low temperatureSpheroidal graphite cast ironDeflectionBending testFracture energyTransition temperatureStatic and dynamic bending tests of ferritic spheroidal graphite cast iron were carried out attemperatures range...