[code.haxe.org] Beginner - Using enum / ADT

# Using enum / ADT - Beginner - Haxe programming language cookbook

Haxe's enumeration types are algebraic data types. Their primary use is for describing data structures.

[https://code.haxe.org/category/beginner/enum-adt.html](https://code.haxe.org/category/beginner/enum-adt.html)

Open the linked enum/ADT cookbook page and review the two issue comments to determine what change is requested. The issue names no file, test, or concrete correction, so an explicit content change and completion criterion are needed before work can be considered done.

Written by the indexing model from the issue text.