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

  •   
  •   TomVista · Jul 13, 2021 · 1431 views
    This topic created in 1789 days ago, the information mentioned may be changed or developed.
  • TypeScript
  • const
  • age
  • number
    4 replies
    llej
        1
    llej  
       Jul 13, 2021
    const age = 18 as const
    TomVista
        2
    TomVista  
    OP
       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
        3
    hyrious  
       Jul 13, 2021
    https://www.typescriptlang.org/play?#code/MYewdgzgLgBAhgcwKYwLwwCwCYBQfFI5A
    我看现在默认就是推断成 18 呀
    TomVista
        4
    TomVista  
    OP
       Jul 13, 2021
    @hyrious
    我的 vscode 不认..
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