add fail predicate

2019-06-20 20:59:27 -04:00
parent b2fed73011
commit 07412b9d34
2 changed files with 9 additions and 6 deletions
--- a/README.md
+++ b/README.md
@@ -187,6 +187,7 @@ The following predicates are built-in to Scryer.
 * `dif/2`
 * `expand_goal/2`
 * `expand_term/2`
+* `fail/0`
 * `false/0`
 * `findall/{3,4}`
 * `float/1`