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docs/03_链表/lru_cache.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -197,7 +197,7 @@ def put(self, key, value):
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:type value: int
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:rtype: None
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"""
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if key in self.map:
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if key in self.map: # 更新不会改变元素个数,这里不用判断是否需要剔除
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node = self.map[key]
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node.value = value # 修改结构体会也会修改 map 对应 value 的引用
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self.ll.delete_node(node)

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