From ca161b26e9b6a253837e5ec4e0cf318bd0ee7903 Mon Sep 17 00:00:00 2001
From: Charlie Stanton <charlie@shtanton.xyz>
Date: Wed, 19 Apr 2023 13:58:13 +0100
Subject: Adds the NOT operator

---
 subex/parse.go | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'subex/parse.go')

diff --git a/subex/parse.go b/subex/parse.go
index f5316c9..8b3a553 100644
--- a/subex/parse.go
+++ b/subex/parse.go
@@ -242,6 +242,8 @@ func parseSubex(l *RuneReader, minPower int) SubexAST {
 				lhs = SubexASTNegate {lhs}
 			case r == '/' && minPower <= 8:
 				lhs = SubexASTReciprocal {lhs}
+			case r == '!' && minPower <= 8:
+				lhs = SubexASTNot {lhs}
 			case r == '$' && minPower <= 8:
 				slot := l.next()
 				if slot == eof {
-- 
cgit v1.2.3