如何使 const age = 18 的 typescript 类型推断是数字 18 而不是 number

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4 replies

llej

Jul 13, 2021

const age = 18 as const

TomVista

Jul 13, 2021

@llej

我之前用的差不多的形式
const age = 18 as 18

实在懒得写 as

hyrious

Jul 13, 2021

TomVista

Jul 13, 2021

@hyrious
我的 vscode 不认..

如何使 const age = 18 的 typescript 类型推断是 数字 18 而不是 number