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Prove that EquatableMixin enables deep value equality and collection hashing across custom class hierarchies, comparing nested collections value-wise with order-sensitive lists and order-insensitive sets.

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목표: Prove that EquatableMixin enables deep value equality and collection hashing across custom class hierarchies, comparing nested collections value-wise with order-sensitive lists and order-insensitive sets. HOW
패키지: equatable 2.1.0
환경: dart
생성일: 2026-08-17T18:01:36Z

A class applying EquatableMixin compares equal and produces identical hash codes to matching instances across deep nested collections, evaluating lists order-sensitively and sets order-insensitively.
EquatableMixin allows classes in single-inheritance hierarchies to obtain value equality and hash code parity based on overridden props.
Nested lists in props require matching element order, whereas nested sets compare equal regardless of element insertion order.
Deeply nested collections including maps of lists evaluate equality recursively down to leaf elements.
Equal EquatableMixin instances properly deduplicate in Set collections and look up correctly as Map keys.
Props containing null values or empty props lists are safely compared without runtime exceptions.

dart 3 · linux debian/x64 · docker · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · pub@1 · 2026-08-17 · ed25519:d91480838ac982c9