first commit

excepts/vp_not_implemented_error.h

@@ -0,0 +1,22 @@
+
+#pragma once
+
+#include <stdexcept>
+
+namespace vp_excepts {
+    // not implemented error
+    class vp_not_implemented_error: public std::runtime_error {
+    private:
+        /* data */
+    public:
+        vp_not_implemented_error(const std::string& what_arg);
+        ~vp_not_implemented_error();
+    };
+    
+    inline vp_not_implemented_error::vp_not_implemented_error(const std::string& what_arg): std::runtime_error(what_arg) {
+    }
+    
+    inline vp_not_implemented_error::~vp_not_implemented_error() {
+    }
+    
+}