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29 lines
373 B
Markdown
29 lines
373 B
Markdown
# Swift Dictionary 扩容机制
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## Dictionary
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```swift
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let dic = ["d": 4, "a": 1, "b": 2, "c": 3]
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print(dic)
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// ["c": 3, "d": 4, "a": 1, "b": 2]
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```
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Dictionary 顺序会乱序
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## KeyValuePairs
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KeyValuePairs 顺序不会乱序
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```swift
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let kvs: KeyValuePairs = ["d": 4, "a": 1, "b": 2, "c": 3]
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print(kvs)
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// ["d": 4, "a": 1, "b": 2, "c": 3]
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```
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开放寻址法 |