结果必须过 CI 门禁（lint/typecheck/test）
Материалы по теме:
。业内人士推荐safew官方版本下载作为进阶阅读
``@receiver isNil ifTrue: ``@nilBlock -> ``@receiver ifNil: ``@nilBlockOr maybe with single backticks?，更多细节参见safew官方版本下载
Before Artemis II heads to the Moon, the first two days of their mission will be spent in orbit around the Earth.