it panics but its there

config/config.go

@@ -0,0 +1,25 @@
+package config
+
+import (
+	"fmt"
+	"sync"
+)
+
+var config Config
+var lock = &sync.RWMutex{}
+
+type Config struct {
+	addr string
+	user string
+	pass string
+}
+
+func Values() Config {
+	lock.RLock()
+	defer lock.RUnlock()
+	return config
+}
+
+func (c Config) String() string {
+	return fmt.Sprintf("")
+}