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Fix mistake in code sample for F# 9 #43402

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Merged
BillWagner merged 1 commit into from
Nov 11, 2024
Merged

Fix mistake in code sample for F# 9 #43402

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2 changes: 1 addition & 1 deletion docs/fsharp/whats-new/fsharp-9.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ let getLength (x: string | null) = x.Length // gives a nullability warning since
let len (str: string | null) =
match str with
| null -> -1
| NonNull s -> s.Length // binds a non-null result
| s -> s.Length // binds a non-null result - compiler eliminated "null" after the first clause

// Parameter to a function
let len (str: string | null) =
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