add split string to vector int

src/string/string.hpp

@@ -9,6 +9,7 @@
 namespace hack::string
 {
   using v_str = std::vector<std::string>;
+  using v_int_str = std::vector<int>;
 
   template<typename T>
   v_str split_str(const std::string& str, T t)
@@ -25,6 +26,26 @@ namespace hack::string
       end = str.find_first_of(t, begin);
     }
     v.emplace_back(str.substr(begin));
+
+    return v;
+  }
+
+  template<typename T>
+  v_int_str split_stoi(const std::string& str, T t)
+  {
+    v_int_str v;
+
+    std::string::size_type begin = 0;
+    std::string::size_type end = str.find_first_of(t);
+    
+    while(end != std::string::npos)
+    {
+      v.emplace_back(std::stoi(str.substr(begin, end - begin)));
+      begin = ++end;
+      end = str.find_first_of(t, begin);
+    }
+    v.emplace_back(std::stoi(str.substr(begin)));
+
     return v;
   }
 }