Enumerated Types in QM

[stupomer]

Hi Gintaras,  e.
I am defining some user-defined types and I realize that I want to constrain the final string options for the type e.g.

Code:

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type MyCustomType ~a ~b

MyCustomType CustomType
CustomType.a = "A1"
CustomType.a = "A2"
CustomType.a = "A3"

CustomType.b = "B1"
CustomType.b = "B2"
CustomType.b = "B3"

In this example, it would be inappropriate to put B1 into CustomType.a but rather only str variables values "A1", "A2", "A3". However, the type structure would allow for this 'error'.

I would rather like to say that member a of type MyCustomType should only allow values A1, A2, A3 and member b should only allow values B1, B2, and B3.

Is that supported in QM?

Thanks!,
S