You can also use '``' to use invalid identifier names. For example:
let ``Even?`` x = x % 2 = 0
printfn "Even? 4 = %A" (``Even?`` 4);;
Yes, it can support them, but probably not as you would like. F# follows C# in allowing unicode escape characters in identifiers. So you can write:
1
let contains\u021F = List.exists
Also characters can be used to define custom operators where appropriate:
1
let (|?) = List.exists
Cheers,
Rob
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Dear Don,
Can F# support identifiers name with question/exclamation/equal mark, just like in scheme/ruby?
e.g, Empty?() is more clear than IsEmpty(), Contains?(v) is better than Contains(v).
Best Regards.
John