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Is there a way to create an enum in a vyper file ?

I have tried this:

from enum import Enum

But it does not work

Any idea ?

Thanks

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2 Answers 2

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Enums were added to Vyper. Not sure when, but it's in v0.3.7. Example:

# _Defining an enum with two members
enum Roles:
    ADMIN
    USER

# Declaring an enum variable
role: Roles = Roles.ADMIN

# Returning a member
return Roles.ADMIN

Full details at readthedocs.

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There is no native enum type in Vyper, so you'll have to construct your own.

Others may have better ideas, but you could either use:

...but you'll have to consider the gas costs of each.

The best alternative is probably to architect your contract in such a way as to avoid needing enums.

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