[erlang-questions] In what order are pattern matching clauses evaluated?
Tue Feb 20 10:22:01 CET 2007
Have you checked out the Erlang Reference Manual?
(Chapter 5.2 Function Evaluation).
Seth Warn wrote:
> While trying out Erlang, I noticed the following factorial function works:
> fac(N) when N > 0 ->
> N * fac(N-1);
> fac(0) -> 1.
> "Ah ha," I said, "the pattern matching is not strictly top-down." Is
> there a resource somewhere that describes how the clauses may/will be
> rearranged? Searching the archive, the closest thing I found was this
> post, which says that the clauses will be grouped by type:
> Seth Warn
> University of Kansas
More information about the erlang-questions