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#include <iostream>
using namespace std;
 
class MBool  
{
   protected:
      bool  mData;  
   public:
      MBool() : mData(false)          {}
      MBool(const MBool&  rData)      { mData = rData.mData; }
};
 
void myFunc ( const MBool& rBool )
{
}
 
bool test()
{
   myFunc( MBool() );
   myFunc( ( MBool() ) );  // <-- Error E2188 Expression syntax
   myFunc( MBool( false ) );
   myFunc( ( MBool( false ) ) ); 
}
 
int main() {
	// your code goes here
	return 0;
}

prog.cpp: In function 'bool test()':
prog.cpp:21:25: error: no matching function for call to 'MBool::MBool(bool)'
    myFunc( MBool( false ) );
                         ^
prog.cpp:21:25: note: candidates are:
prog.cpp:10:7: note: MBool::MBool(const MBool&)
       MBool(const MBool&  rData)      { mData = rData.mData; }
       ^
prog.cpp:10:7: note:   no known conversion for argument 1 from 'bool' to 'const MBool&'
prog.cpp:9:7: note: MBool::MBool()
       MBool() : mData(false)          {}
       ^
prog.cpp:9:7: note:   candidate expects 0 arguments, 1 provided
prog.cpp:22:27: error: no matching function for call to 'MBool::MBool(bool)'
    myFunc( ( MBool( false ) ) ); 
                           ^
prog.cpp:22:27: note: candidates are:
prog.cpp:10:7: note: MBool::MBool(const MBool&)
       MBool(const MBool&  rData)      { mData = rData.mData; }
       ^
prog.cpp:10:7: note:   no known conversion for argument 1 from 'bool' to 'const MBool&'
prog.cpp:9:7: note: MBool::MBool()
       MBool() : mData(false)          {}
       ^
prog.cpp:9:7: note:   candidate expects 0 arguments, 1 provided

Standard output is empty