Why can't `Self` be used to refer to an enum's variant in a method body?

Question

This question is now obsolete because this feature has been implemented. Related answer.

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The following Rust code fails to compile:

enum Foo {
          


        

Answer 1

If the enum name Foo is in reality long and you want to avoid repeating it across the implementation, you have two options:

• use LongEnumName as Short at module level. This will allow you to return Short::Bar at the end of f.
• use LongEnumName::* at module level, allowing an even shorter Bar.

If you omit pub, the imports will be internal and won't affect the public API of the module.