1 files changed, 15 insertions, 5 deletions
diff --git a/wx+/grid.h b/wx+/grid.h
index 732a4fcb..ccf7ad64 100755
--- a/wx+/grid.h
+++ b/wx+/grid.h
@@ -9,9 +9,11 @@
 
 #include <memory>
 #include <numeric>
+#include <optional>
+#include <set>
 #include <vector>
-#include <wx/scrolwin.h>
 #include <zen/basic_math.h>
+#include <wx/scrolwin.h>
 
 
 //a user-friendly, extensible and high-performance grid control
@@ -362,10 +364,18 @@ private:
 template <class ColAttrReal>
 std::vector<ColAttrReal> makeConsistent(const std::vector<ColAttrReal>& attribs, const std::vector<ColAttrReal>& defaults)
 {
-    std::vector<ColAttrReal> output = attribs;
-    //make sure each type is existing!
-    output.insert(output.end(), defaults.begin(), defaults.end());
-    removeDuplicates(output, [](const ColAttrReal& lhs, const ColAttrReal& rhs) { return lhs.type < rhs.type; });
+    using ColTypeReal = decltype(ColAttrReal().type);
+    std::vector<ColAttrReal> output;
+
+    std::set<ColTypeReal> usedTypes; //remove duplicates
+    auto appendUnique = [&](const std::vector<ColAttrReal>& attr)
+    {
+        std::copy_if(attr.begin(), attr.end(), std::back_inserter(output),
+        [&](const ColAttrReal& a) { return usedTypes.insert(a.type).second; });
+    };
+    appendUnique(attribs);
+    appendUnique(defaults); //make sure each type is existing!
+
     return output;
 }