goLang golang XXX undefined (type interface {} is interface with no methods) XXX undefined (type interface {} is interface with no methods) 해결 해결 방법 1 해결 방법 2... goLangbeego
golang XXX undefined (type interface {} is interface with no methods) XXX undefined (type interface {} is interface with no methods) 해결 해결 방법 1 해결 방법 2... goLangbeego