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package entity
type Interface interface {
// Id return the Entity identifier
//
// This Id need to be immutable without having to store the entity somewhere (ie, an entity only in memory
// should have a valid Id, and it should not change if further edit are done on this entity).
// How to achieve that is up to the entity itself. A common way would be to take a hash of an immutable data at
// the root of the entity.
// It is acceptable to use such a hash and keep mutating that data as long as Id() is not called.
Id() Id
}
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