code. compile. run. debug. share.
// Example program
#include <iostream>
#include <string>
#include <optional>
#include <memory>
class A
{
public:
A(int v):
val{v}
{}
int val;
};
class B
{
public:
B(std::shared_ptr<A>& a):
a{a}
{}
const std::shared_ptr<A> a;
};
int main()
{
std::shared_ptr<A> a = std::make_shared<A>(3);
std::optional<B> b;
b = std::make_optional<B>(a);
}
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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