From 238b9e10cfa42521de03e2bd88712a0a55ea77e0 Mon Sep 17 00:00:00 2001
From: Grigorii Kirgizov <grigorii.kirgizov@jetbrains.com>
Date: Wed, 5 Feb 2020 14:20:12 +0300
Subject: [PATCH] Fix Rete RuleMatcher .forget method

---
 .../mps/logic/reactor/core/internal/ReteRuleMatcherImpl.kt      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reactor/Core/src/jetbrains/mps/logic/reactor/core/internal/ReteRuleMatcherImpl.kt b/reactor/Core/src/jetbrains/mps/logic/reactor/core/internal/ReteRuleMatcherImpl.kt
index 2ad406e7..457f7c1e 100644
--- a/reactor/Core/src/jetbrains/mps/logic/reactor/core/internal/ReteRuleMatcherImpl.kt
+++ b/reactor/Core/src/jetbrains/mps/logic/reactor/core/internal/ReteRuleMatcherImpl.kt
@@ -530,7 +530,7 @@ internal class ReteRuleMatcherImpl(private var ruleLookup: RuleLookup,
         }
 
         override fun forget(ruleMatch: RuleMatchEx): RuleMatchingProbe {
-            consumedSignatures.add(ruleMatch.signatureArray().toSignature())
+            consumedSignatures.remove(ruleMatch.signatureArray().toSignature())
             return this
         }