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Refined is a Scala library that enhances types with compile-time constraints using predicate-style refinement types. It allows embedding validation logic into types like Refined[Int, Positive], ensuring invalid values are rejected at compile or runtime, thereby increasing safety and reducing boilerplate in domain modeling.
Features
- Rich predicate support (e.g. Positive, NonEmpty, range constraints)
- Compile-time verified refinements for constant values
- Seamless integration with type-level programming and shapeless
- Automatic validation via implicits and macros
- Interoperability with Circe, Cats and other functional libraries
- Reduces boilerplate in checking invariants during runtime
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MIT LicenseFollow Refined
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