daggy
A JavaScript library for creating tagged constructors and sum types with minimal boilerplate.
What is daggy?
Daggy is a JavaScript library for creating tagged constructors and sum types, which are algebraic data structures representing multiple possible shapes. It solves the problem of excessive boilerplate when implementing disjoint union types in JavaScript, providing a clean and type-safe way to define and work with variants like `Success` and `Failure` cases.
JavaScript developers working with functional programming patterns, especially those building applications that require robust data modeling with sum types and pattern matching.
Developers choose Daggy for its minimal API that drastically reduces boilerplate, its built-in type checking and pattern matching capabilities, and its alignment with functional programming principles without requiring external type systems.
Overview
Library for creating tagged constructors.
Use Cases
Best For
- Implementing error handling with Result or Either types
- Defining custom algebraic data types in JavaScript projects
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