diff options
Diffstat (limited to 'lib/util.mli')
| -rw-r--r-- | lib/util.mli | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/util.mli b/lib/util.mli index 46fd7b02ed..8b27e61583 100644 --- a/lib/util.mli +++ b/lib/util.mli @@ -178,6 +178,11 @@ val list_cartesian : ('a -> 'b -> 'c) -> 'a list -> 'b list -> 'c list val list_cartesians : ('a -> 'b -> 'b) -> 'b -> 'a list list -> 'b list (* list_combinations [[a;b];[c;d]] returns [[a;c];[a;d];[b;c];[b;d]] *) val list_combinations : 'a list list -> 'a list list +(* Keep only those products that do not return None *) +val list_cartesian_filter : + ('a -> 'b -> 'c option) -> 'a list -> 'b list -> 'c list +val list_cartesians_filter : + ('a -> 'b -> 'b option) -> 'b -> 'a list list -> 'b list val list_union_map : ('a -> 'b -> 'b) -> 'a list -> 'b -> 'b |