Back to Basics: Hashable References
Point-Free Videos - En podkast av Brandon Williams & Stephen Celis
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đ We've studied `Equatable` and `Hashable`, their laws, and saw how value types as simple bags of data easily conform via "structural" equality. What about reference types? Reference types are an amalgamation of data _and_ behavior, and that data can be mutated in place at any time, so how can they reasonably conform to these protocols?