From fa40180c7874652cf27d0d8dca86ffc395065515 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Villemot?= <sebastien@dynare.org>
Date: Fri, 26 Jan 2024 17:35:02 +0100
Subject: [PATCH] Minor performance improvement
---
src/ExprNode.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/ExprNode.cc b/src/ExprNode.cc
index 509b4f2e..26d80ed9 100644
--- a/src/ExprNode.cc
+++ b/src/ExprNode.cc
@@ -195,7 +195,7 @@ ExprNode::collectVariables(SymbolType type, set<int>& result) const
set<pair<int, int>> symbs_lags;
collectDynamicVariables(type, symbs_lags);
transform(symbs_lags.begin(), symbs_lags.end(), inserter(result, result.begin()),
- [](auto x) { return x.first; });
+ [](const auto& x) { return x.first; });
}
void
--
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