int main()
{
IntCell m;
IntCell n;
m.write(5);
n.write(2);
IntCell o = m + n;
IntCell p = m - n;
cout << "Cell contents m: " << m << endl;
cout << "Cell contents n: " << n.read() << endl;
cout << "Cell contents o: " << o.read() << endl;
cout << "Cell contents p: " << p.read() << endl;
return 0;
}
int main( )
{
IntCell m; // Or, IntCell m( 0 ); but not IntCell m( );
m.write( 5 );
std::cout << "Cell contents: " << m.read( ) << std::endl;
return 0;
}
int main( )
{
IntCell m;
m.write( 5 );
std::cout << "Cell contents: " << m.read( ) << std::endl;
return 0;
}
//this builds a vector of iCells of 'size' size
vector<IntCell> iCells(int size){
vector<IntCell> intcells;
for(int i = 0; i < size; i++){
IntCell j;
j.write(i);
intcells.push_back(j);
}
return intcells;
}
int main()
{
IntCell obj;
/* 使用explicit意味着单参数构造函数不能用来创建隐式临时对象
* 编译以下两句会得到如下错误
* note: candidate function (the implicit copy assignment operator)
* not viable: no known conversion from 'int' to 'const IntCell' for 1st argument
*/
// obj = 37;
obj.write(666);
std::cout << obj.read() << "\n";
return 0;
}