generalize nf7::util::Uniq

common/gui_popup.cc

@@ -4,6 +4,8 @@
 
 #include "nf7.hh"
 
+#include "common/util_algorithm.hh"
+
 
 namespace nf7::gui {
 

common/util_algorithm.hh

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <algorithm>
+#include <vector>
+
+
+namespace nf7::util {
+
+template <typename T>
+inline void Uniq(std::vector<T>& v) noexcept {
+  for (auto itr = v.begin(); itr < v.end();) {
+    if (v.end() != std::find(itr+1, v.end(), *itr)) {
+      itr = v.erase(itr);
+    } else {
+      ++itr;
+    }
+  }
+}
+
+}  // namespace nf7::util

common/util_string.hh

@@ -35,15 +35,6 @@ inline void JoinAndAppend(std::string& dst, std::span<const std::string> src, ch
     dst += c;
   }
 }
-inline void Uniq(std::vector<std::string>& v) noexcept {
-  for (auto itr = v.begin(); itr < v.end();) {
-    if (v.end() != std::find(itr+1, v.end(), *itr)) {
-      itr = v.erase(itr);
-    } else {
-      ++itr;
-    }
-  }
-}
 
 inline std::optional<std::string_view> SplitAndValidate(
     std::string_view v,