Hashes the essential components of this value by feeding them into the given hasher.
Required. Default implementations provided.
- Xcode 10.0+
- Swift Standard Library
The hasher to use when combining the components of this instance.
Implement this method to conform to the
Hashable protocol. The components used for hashing must be the same as the components compared in your type’s
== operator implementation. Call
hasher with each of these components.