Credit: Samsung
当配置变更（Config 对象引用变化）时，WeakMap 的键失效，缓存自动失效。不需要显式清除——这是 WeakMap 的自动 GC 特性，优雅地解决了缓存失效问题。
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used in the body of conditionals. They consist of the Boolean
Following Liverpool’s win over Lille to qualify for the knockout stages of Bigger Cup last season, Arne Slot famously revealed that his father had been less than impressed. “There have definitely not been many [Liverpool] games where he has said: ‘Oh I like what I saw!’” sighed Slot of his old man, who presumably views a 4-0 win with the same grim Dutch disdain one might reserve for a lukewarm stroopwafel. This past weekend it became apparent that the apple hasn’t fallen too far from the tree, as the Liverpool head coach told hacks that even he isn’t particularly impressed with the quality of football in the Premier League, although the nature of Arsenal’s attritional Six Nations win over Chelsea may have won him over.