Enum in Dart

In Dart, an enum (short for enumeration) is a special data type that represents a fixed set of constant values. Enums are useful when you need to define a collection of related constants, such as days of the week, states, or modes.

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Enum in Dart

Key Characteristics of Enums:

1. Fixed Set of Values: Enums are used to define a finite list of related values.
2. Strong Typing: Enums provide type safety, preventing invalid values from being used.
3. Readable Code: Using enums makes code more readable by replacing arbitrary integers or strings with meaningful names.
4. Immutable: Enum values cannot be modified after they are defined.
5. Index-Based: Enum values have an implicit index, starting from 0.
6. Methods & Properties: Dart allows adding methods and properties to enums for more functionality.

How to Define and Use an Enum