Hi, thanks for the suggestion, I have created ticket: https://github.com/intellifactory/websharper/issues/696
There is a current workaround to this, using the Constant attribute which allows converting argumentless unioncases to literals and is respected by RPCs and JSON serialization. For example:
1 2 3
type Evnt =
| [<Constant "START">] START
| [<Constant "DONE">] DONEOne caveat is that if you have any instance members, you have to apply the [<Prototype false>] attribute explicitly (there is also a bug here, no compiler errors if it is missing) to make WS tranlate instance calls to static.
1 2 3 4 5 6 7 8 9
[<Prototype false>]
type Evnt =
| [<Constant "START">] START
| [<Constant "DONE">] DONE
member this.Opposite =
match this with
| START -> DONE
| DONE -> STARTTopic tags
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There's a mismatch between f# and w#:
type Evnt = | START | DONE let x = Evnt.START let y = Evnt.START obj.ReferenceEquals(x,y) // f# = true, w# = falseLooks like w# creates a new object everytime a DU is referenced, possibly causing a lot of GC pressure.