From a4c7f8bd98be2a200489325ff7c5061cf80ab4f3 Mon Sep 17 00:00:00 2001 From: Enrico Tassi Date: Tue, 27 Dec 2016 16:53:30 +0100 Subject: Imported Upstream version 8.6 --- lib/hashcons.mli | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'lib/hashcons.mli') diff --git a/lib/hashcons.mli b/lib/hashcons.mli index 04754ba1..150899ce 100644 --- a/lib/hashcons.mli +++ b/lib/hashcons.mli @@ -14,9 +14,9 @@ module type HashconsedType = sig (** {6 Generic hashconsing signature} - Given an equivalence relation [equal], a hashconsing function is a + Given an equivalence relation [eq], a hashconsing function is a function that associates the same canonical element to two elements - related by [equal]. Usually, the element chosen is canonical w.r.t. + related by [eq]. Usually, the element chosen is canonical w.r.t. physical equality [(==)], so as to reduce memory consumption and enhance efficiency of equality tests. @@ -32,15 +32,15 @@ module type HashconsedType = Usually a tuple of functions. *) val hashcons : u -> t -> t (** The actual hashconsing function, using its fist argument to recursively - hashcons substructures. It should be compatible with [equal], that is - [equal x (hashcons f x) = true]. *) - val equal : t -> t -> bool + hashcons substructures. It should be compatible with [eq], that is + [eq x (hashcons f x) = true]. *) + val eq : t -> t -> bool (** A comparison function. It is allowed to use physical equality on the sub-terms hashconsed by the [hashcons] function, but it should be insensible to shallow copy of the compared object. *) val hash : t -> int (** A hash function passed to the underlying hashtable structure. [hash] - should be compatible with [equal], i.e. if [equal x y = true] then + should be compatible with [eq], i.e. if [eq x y = true] then [hash x = hash y]. *) end -- cgit v1.2.3