add illustration samples

2022-07-22 15:00:53 +01:00
parent 0a28574514
commit 250d86bafa
5 changed files with 58 additions and 0 deletions
@@ -0,0 +1,14 @@
+// In F# the keywoard `match` can be used to run an 
+// explicit pattern match. 
+
+let rec listLength l = 
+    match l with 
+    | [] -> 0
+    | _ :: xs -> 1 + (listLength xs)
+
+// Alternatively, this special syntax is available
+// that removes the explicit parameter and the 
+// `match` call.
+let rec listLength' = function
+    | [] -> 0
+    | _ :: xs -> 1 + (listLength' xs)