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Memento: Implementation and Example

Memento: Implementation and Example

Learn the Memento design pattern by implementing an example program.

Implementing the Memento design pattern

After creating a project based on a console application template, we’ll add the following interface to it, which will represent the public methods available on the Memento object:

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namespace Memento_Demo;
internal interface IMemento
{
string GetState();
DateTimeOffset GetCreatedDate();
}

The concrete Memento implementation will look as ...