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Rust Enum Patterns

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by Community

Shows how to use Rust enums effectively for state machines, error types, command patterns, and domain modeling. Covers pattern matching, enum methods, generic enums, and the newtype pattern with enums.

rustenumspattern-matchingtypesdomain-modeling

Rust Enum Patterns

Leverage Rust's powerful enum system for expressive, type-safe domain modeling and state management.

Usage

Describe your domain or state management needs and get enum-based modeling recommendations.

Examples

  • "Model a state machine for an order lifecycle with enums"
  • "How do I add methods to an enum in Rust?"
  • "Convert my stringly-typed API to use enums"

Guidelines

  • Use enums for closed sets of variants rather than trait objects
  • Show exhaustive pattern matching for compile-time safety
  • Cover data-carrying variants for rich domain models
  • Include methods and trait implementations on enums
  • Explain when to use enums vs structs vs traits

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