diff options
Diffstat (limited to 'erlang.html.markdown')
-rw-r--r-- | erlang.html.markdown | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/erlang.html.markdown b/erlang.html.markdown index a897755e..e5db6423 100644 --- a/erlang.html.markdown +++ b/erlang.html.markdown @@ -172,7 +172,10 @@ is_pet(A) -> false. % Warning: not all valid Erlang expressions can be used as guard expressions; % in particular, our `is_cat` and `is_dog` functions cannot be used within the -% guard sequence in `is_pet`'s definition. +% guard sequence in `is_pet`'s definition. For a list of the built-in +% functions (BIFs) allowed in guard sequences, refer to this +% [section](http://erlang.org/doc/reference_manual/expressions.html#id81912) +% of the Erlang reference manual. % Records provide a method for associating a name with a particular element in a % tuple. |