update map

main.go

@@ -91,9 +91,11 @@ func (c *Config) Parse() {
             if v.empty {
                 if v.unset {
                     v.parsed.err = errors.New(fmt.Sprintf("Environment variable %s not found. It should have been of type %s", k, v.dtype))
+                    c.env[k] = v
                 }
             } else {
                 v.parsed = parser(v.value)
+                c.env[k] = v
             }
         }
     }