# MutantHub mutant #3904: Relational operator mutation at operation_patterns.ipp:501
# Repository: libbitcoin/libbitcoin-system @ c37c9b73278f1f97e6eb6421f3544f5e58edba2f
# File: include/bitcoin/system/impl/chain/operation_patterns.ipp:501-501
# Review: APPROVED; outcome: KILLED
--- a/include/bitcoin/system/impl/chain/operation_patterns.ipp
+++ b/include/bitcoin/system/impl/chain/operation_patterns.ipp
@@ -501,1 +501,1 @@
-        code_ == minimal_opcode_from_data(get_data()) : is_number(code_);
+        code_ != minimal_opcode_from_data(get_data()) : is_number(code_);