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zeienko-vitalii/dart_3_class_modifiers.md

Created March 26, 2025 10:23
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dart_3_class_modifiers.md
Modifier Instantiate? Extend? Implement? External Use? Pro Tips
Abstract ❌ ✅ ✅ ✅ Factory constructors mimic instantiation!
Base ✅ ✅ (base/final/sealed only) ❌ ✅ Ensure consistent inherited behavior!
Interface ✅ ❌ ✅ ✅ Ideal for contracts without forced inheritance!
Final ✅ ❌ ❌ ✅ Maximize API stability and avoid surprises!
Sealed ❌ ✅ (internal only) ❌ ✅ Perfect for exhaustive type safety!
Mixin ❌ ✅ ✅ ✅ Combine multiple mixins for modularity and code reuse!
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