From a00f21ad182dbc3bc34bcd85d7343061d82c1181 Mon Sep 17 00:00:00 2001
From: Sergiu Ivanov <sivanov@colimite.fr>
Date: Sat, 31 Oct 2020 00:27:16 +0100
Subject: [PATCH] utils,hash-filter: Say that how the comparison predicate of
 the result is determined.

---
 utils.rkt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/utils.rkt b/utils.rkt
index 3d9bcce..48db509 100644
--- a/utils.rkt
+++ b/utils.rkt
@@ -635,6 +635,8 @@
 ;;; or #:predicate/key.  #:predicate should be a function returning
 ;;; a Boolean result given a value of the hash value.  #:predicate
 ;;; should be a function taking a key and the corresponding value.
+;;;
+;;; The comparison predicate of ht determines the one for the result.
 (define (hash-filter
          ht
          #:predicate [predicate #f]