I think you want the literal atttribute:
#light
1 2 3 4 5 6 7 8 9 10 11 12
[<Literal>]
let C = "test"
let test = function
| "something" -> "lit1"
| C -> "lit2"
| _ -> "nope"
printfn "%s" <| test "hi"
printfn "%s" <| test "test" However it seems the literal must start with a capital letter.
OK I found it. It was:
1 2
[<Literal>] let ProviderKey_Sql = ""
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I know that
let c = ""will be constant but I mean real constant that I can use in class attribute, because with just the code above I am getting "invalid custom attribute value (not a constant or literal)"