13.22
#include <string>
class HasPtr {
public:
HasPtr(
const std::
string &s =
std::
string()) : ps(
new std::
string(s)), i(
0) { }
HasPtr(
const HasPtr& hp) : ps(
new std::
string(*hp.ps)), i(hp.i) { }
HasPtr&
operator=(
const HasPtr& rhs){
if(
this=&rhs)
return this;
delete ps;
ps=
new string (*rhs.ps);
i=rhs.i;
return *
this;
}
~HasPtr(){
delete ps;
}
private:
std::
string *ps;
int i;
};
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