# MutantHub mutant #701: Constant replacement mutation at descriptor.cpp:1283
# Repository: bitcoin/bitcoin @ 1aafd49077041e874d6b5f114927bc37e5b85d71
# File: src/script/descriptor.cpp:1283-1283
# Review: APPROVED; outcome: KILLED
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -1283,1 +1283,1 @@
-    bool IsSingleType() const final { return false; }
+    bool IsSingleType() const final { return true; }