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| -rw-r--r-- | ocaml.html.markdown | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/ocaml.html.markdown b/ocaml.html.markdown index f9db7080..b30d920b 100644 --- a/ocaml.html.markdown +++ b/ocaml.html.markdown @@ -144,11 +144,16 @@ x + y ;; (* Alternatively you can use "let ... and ... in" construct. This is especially useful for mutually recursive functions, with ordinary "let .. in" the compiler will complain about - unbound values. - It's hard to come up with a meaningful but self-contained - example of mutually recursive functions, but that syntax - works for non-recursive definitions too. *) -let a = 3 and b = 4 in a * b ;; + unbound values. *) +let rec + is_even = function + | 0 -> true + | n -> is_odd (n-1) +and + is_odd = function + | 0 -> false + | n -> is_even (n-1) +;; (* Anonymous functions use the following syntax: *) let my_lambda = fun x -> x * x ;; |