Major string_view refactor. Added namespace sv

luprex/core/cpp/pprint.cpp

@@ -197,7 +197,7 @@ static void pprint_r(Inspector &insp, int level, LuaSlot root) {
         } else {
             multiline = true;
             tabify(insp, level + 1);
-            if (LS.isstring(key) && util::is_identifier(LS.ckstring(key))) {
+            if (LS.isstring(key) && sv::is_lua_id(LS.ckstring(key))) {
                 (*insp.stream) << LS.ckstring(key);
             } else {
                 (*insp.stream) << "[";
@@ -254,7 +254,7 @@ LuaDefine(string_isidentifier, "str", "return true if the string is a valid lua
     LuaStack LS(L, str, result);
     if (LS.isstring(str)) {
         eng::string s = LS.ckstring(str);
-        LS.set(result, util::is_identifier(s));
+        LS.set(result, sv::is_lua_id(s));
     } else {
         LS.set(result, false);
     }