From 206667746b86b2ee8f515f1b45777bcbe3c1203d Mon Sep 17 00:00:00 2001
From: renchao_lu <renchao.lu@gmail.com>
Date: Mon, 14 Jan 2019 23:03:34 +0100
Subject: [PATCH] [PL] Invoke makeVectorUnique instead.

---
 ProcessLib/Utils/ProcessUtils.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/ProcessLib/Utils/ProcessUtils.cpp b/ProcessLib/Utils/ProcessUtils.cpp
index 2274622185b..72ed3125d92 100644
--- a/ProcessLib/Utils/ProcessUtils.cpp
+++ b/ProcessLib/Utils/ProcessUtils.cpp
@@ -73,8 +73,7 @@ std::vector<std::reference_wrapper<ProcessVariable>> findProcessVariables(
     if (var_names.empty())
         OGS_FATAL("Config tag <%s> is not found.", tag.c_str());
 
-    // collect variable names to check if there are duplicates
-    std::set<std::string> cached_var_names;
+    std::vector<std::string> cached_var_names;
 
     for (std::string const& var_name : var_names)
     {
@@ -96,9 +95,12 @@ std::vector<std::reference_wrapper<ProcessVariable>> findProcessVariables(
 
         vars.emplace_back(const_cast<ProcessVariable&>(*variable));
 
-        cached_var_names.insert(var_name);
+        cached_var_names.push_back(var_name);
     }
 
+    // Eliminate duplicates in the set of variable names
+    BaseLib::makeVectorUnique(cached_var_names);
+
     if (cached_var_names.size() != var_names.size())
         OGS_FATAL("Found duplicates with config tag <%s>.", tag.c_str());
 
-- 
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