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doc: update typescript.md (#439)

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修正类型技巧内Capitalize的推导结果
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魏 2023-09-23 17:26:33 +08:00 committed by GitHub
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@ -1360,7 +1360,7 @@ const Row = (props: RowProps) => {
type Capitalize<T extends string> = T extends `${infer U}${infer V}` type Capitalize<T extends string> = T extends `${infer U}${infer V}`
? `${Uppercase<U>}${V}` ? `${Uppercase<U>}${V}`
: T : T
type capitalized = Capitalize<"hello world"> // Hello World type capitalized = Capitalize<"hello world"> // Hello world
``` ```
也可以在 infer 中使用条件约束（`extends`） 也可以在 infer 中使用条件约束（`extends`）