TAO中 “>>=“预算符 的含义

navigatingEvent* navigating;

//其结构如下：

struct  navigatingEvent

{

  typedef navigatingEvent_var _var_type;

  typedef navigatingEvent_out _out_type;

  

  

  ::CORBA::Double ifheading;

  ::CORBA::Double ifvertiangle;

  ::CORBA::Double ifhoriangle;

  ::CORBA::Double ibheading;

  ::CORBA::Double ibvertiangle;

  ::CORBA::Double ibhoriangle;

  ::CORBA::Double relativespeed;

  ::CORBA::Double absolutespeed;

  ::CORBA::Double northspeed;

  ::CORBA::Double eastspeed;

  ::CORBA::Double longitude;

  ::CORBA::Double latitude;

  ::CORBA::Double anglespeedx;

  ::CORBA::Double anglespeedy;

  ::CORBA::Double anglespeedz;

  ::CORBA::Double hacceleration;

  ::CORBA::Double vertipitchangle;

  ::CORBA::Double horipitchangle;

  ::CORBA::Double ifupdowndist;

  ::CORBA::Double ifupdownspeed;

  ::CORBA::Double ibupdowndist;

  ::CORBA::Double ibupdownspeed;

  ::CORBA::Double depth;

  ::CORBA::Double distance;

  ::CORBA::ULong status;

};

//同时有一个定义

const CORBA::Any &event



if(event >>= navigating）//报错



/*

navigatingEventConsumer.cpp:33: error: no match for 'operator>>=' in 'event >>= navigating'

d:/ACE_wrappers/TAO/tao/AnyTypeCode/Any.h:137: note: candidates are: CORBA::Boolean CORBA::Any::operator>>=(ACE_InputCDR::to_boolean) const

*/