[接口类型](9.interface/interfaceType.md) [值接收者和指针接收者](9.interface/valuePointerReceiver.md) [类型与接口对应关系](9.interface/structInterface.md) [空接口](9.interface/nullInterface.md) [接口值](9.interface/interfaceValue.md) [类型断言](9.interface/typeAssertion.md)