Discriminated union with list of named fields in tuple

Question

Discriminated union with list of named fields in tuple

0-gravity 1

Hi,

In C# I can create a list of tuples with named fields, such as:
new List<(Guid stageId, Guid formId)>()

Is it possible in F# to declare a Discriminated Union with list of tuples with named fields, for example:
type Assignment = Assignment of ((stageId: Guid, formId: Guid) list)* (payload: string)

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4 answers

Your answer

Answer 1

Vancouver Photo Lab 1

We tried with F# to declare but its not possible.

Thanks
VPL

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Answer 2

Billy Anderson 1

Hey VPL

Thanks for your concern but we do not understand your question about F#.. Can you please more clear about your question.

Regards
Billy RP

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Answer 3

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Answer 4

Max Anderson 0

Yes, your syntax is valid in F#, but the idiomatic and safer print approach is to define a record type instead of relying on named tuples inside a discriminated union.

type Assignment =

{ Items   : StageForm list

  Payload : string }

That’s typically the most F#-idiomatic solution.

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