Factory method pattern: Difference between revisions

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== Examples ==

This [[C++1423]] implementation is based on the pre C++98 implementation in the ''[[Design Patterns]]'' book.{{sfn|Gamma|Helm|Johnson|Vlissides|1995|page=122}}{{Which one|date=August 2024}}

<syntaxhighlight lang="c++">

import std;

#include <iostream>

#include <memory>

enum class ProductId {MINE, YOURS};

// defines the interface of objects the factory method creates.

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public:

void print() {

std::cout << println("this=" << this << "{} print MINE\n", this);

}

};

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public:

void print() {

std::cout << println("this=" << this << "{} print YOURS\n", this);

}

};