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元组一章 #229

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guda-art opened this issue Oct 11, 2022 · 0 comments
Open

元组一章 #229

guda-art opened this issue Oct 11, 2022 · 0 comments

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@guda-art
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也可以只赋值其中一项：

let tom: [string, number];
tom[0] = 'Tom';

编译时不报错, 也能通过类型检查, 但是tom[0]是undefined,, 所以运行时会报错
ts-node .ts或node .js都会报错
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@guda-art