built_value
A Dart library for generating immutable value types, enum classes, and JSON serialization with minimal boilerplate.
What is built_value?
Built Value is a Dart library that generates immutable value types, enum classes, and JSON serialization code to eliminate boilerplate. It solves the problem of manually writing and maintaining repetitive code for data classes, ensuring immutability, type safety, and seamless serialization across applications.
Dart and Flutter developers building data models for client-server applications, especially those requiring immutable data structures, JSON serialization, and maintainable object-oriented designs.
Developers choose Built Value for its robust code generation that reduces errors, supports complex object models with generics and interfaces, and provides modular serialization that evolves with the data model without breaking compatibility.
Overview
Immutable value types, enum classes, and serialization.
Use Cases
Best For
- Generating immutable data classes in Dart with minimal boilerplate
- Building client-server applications with shared data models
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