'Properly implement F# Unit in C#

This question is not about C#/F# compatibility as in this one.

I'd like to know the proper way to implement a type like F# Unit in place of using void.

Obviously I'll discard this result and I'll not expose this type to the outside world.

Wondering if an empty class could impersonate this role.

internal class Unit
{
}

For example in language-ext library, the author used a struct.

Is there any benefit in this choice?

c++sharpf#functional-programmingunit-type


Solution 1:[1]

System.ValueTuple (without generic argument) is very much unit in C#. The source code is open.

Solution 2:[2]

I have used this Unit type as a reference: https://github.com/louthy/language-ext/blob/main/LanguageExt.Core/DataTypes/Unit/Unit.cs

Coming from a functional extension library.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 chwarr
Solution 2 avolkmann

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