UPDATE:

1. In functon `wrap()`, instead of altering the same object, we will create new string object and return it

Author: Dark-CodeX

deps/string/string.cc

@@ -334,7 +334,7 @@ namespace horizon
             return string::str_cmp(this->str, src.str);
         }
 
-        string &string::wrap(const char *__s)
+        string string::wrap(const char *__s) const
         {
             if (__s)
             {
@@ -344,14 +344,16 @@ namespace horizon
                 string::str_catcpy(buffer, __s, b_len);
                 string::str_catcpy(buffer, this->str, b_len);
                 string::str_catcpy(buffer, __s, b_len);
-                this->clear();
-                this->str = buffer;
-                this->len = b_len;
+
+                string val;
+                val.str = buffer;
+                val.len = b_len;
+                return val;
             }
             return *this;
         }
 
-        string &string::wrap(const string &__s)
+        string string::wrap(const string &__s) const
         {
             if (__s.str)
             {
@@ -361,9 +363,11 @@ namespace horizon
                 string::str_catcpy(buffer, __s.str, b_len);
                 string::str_catcpy(buffer, this->str, b_len);
                 string::str_catcpy(buffer, __s.str, b_len);
-                this->clear();
-                this->str = buffer;
-                this->len = b_len;
+
+                string val;
+                val.str = buffer;
+                val.len = b_len;
+                return val;
             }
             return *this;
         }

deps/string/string.hh

@@ -68,8 +68,8 @@ namespace horizon
             [[nodiscard]] bool compare(const char &c) const;
             [[nodiscard]] bool compare(const char *src) const;
             [[nodiscard]] bool compare(const string &src) const;
-            string &wrap(const char *__s);
-            string &wrap(const string &__s);
+            [[nodiscard]] string wrap(const char *__s) const;
+            [[nodiscard]] string wrap(const string &__s) const;
             string &clear();
             string &resize(const std::size_t &new_length);
             [[nodiscard]] string substr(const std::size_t &index, std::size_t sub_len = static_cast<std::size_t>(-1)) const;