Go-enum is a popular tool that generates enum-like structures for Golang. It provides a plethora of features like JSON and SQL interfaces out of the box, which can be handy while dealing with databases and JSON APIs.
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- Enums are types that contain only a limited number of fixed values, as opposed to types like int or string which can have a wide range of values.
- By the end, you’ll be well-versed in leveraging enums to boost the clarity and efficiency of your Go code.
- We can use the enum values in the program by using the const keyword.
- The goal of go-enum is to create an easy to use enum generator that will take a decorated type declaration like type EnumName int and create the associated...
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- If you declare constants of custom type and some helper methods, you get a structure very similar to enum in other programming languages.
- Although Go does not have a built-in enum type, developers can implement enum-like behavior using various techniques.
- The behavior of enumgen can be customized in various ways through flags on either the package-level go:generate line or the enum-specific comment directive.
- Here’s a look at some popular libraries and tools that you can use to enhance your work with golang enums
- You should store your enum inside its own package because otherwise the const value will be available at the top level namespace of the file in which its defined.
- Whether you are a beginner or an experienced developer, this guide aims to demystify enums and empower you to leverage their power in your Go projects.