Oli Sturm
14 lines
374 B
FSharp
14 lines
374 B
FSharp
// In F# the keywoard `match` can be used to run an
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// explicit pattern match.
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let rec listLength l =
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match l with
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| [] -> 0
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| _ :: xs -> 1 + (listLength xs)
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// Alternatively, this special syntax is available
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// that removes the explicit parameter and the
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// `match` call.
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let rec listLength' = function
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| [] -> 0
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| _ :: xs -> 1 + (listLength' xs) |