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  • calcopiritus@lemmy.world
    13·
    2 天前

    It’s also valid rust syntax.

    But if it were rust, this meme would not make sense, since you would just type let a and type inference would do its thing. Which is much more ergonomic.

        • nebeker@programming.devEnglish
          3·
          24 小时前

          And bow to the compiler’s whims? I think not!

          This shouldn’t compile, because .into needs the type from the left side and let needs the type from the right side.

    • Victor@lemmy.world
      1·
      2 天前

      Type inference is a pretty big thing in TypeScript as well though. In fact it’s probably the biggest thing about it, IMO.

      • calcopiritus@lemmy.world
        1·
        1 天前

        I don’t know typescript. But if that’s the case, this meme doesn’t make much sense.

        Who writes the types of variables in a language with type inference unless forced by the compiler?

        • Victor@lemmy.world
          1·
          1 天前

          Maybe it’s a language without type interference?

          Either way, it sometimes makes sense in TypeScript to help the type system out a little bit.

          let array: string[] = [];

          In this situation, the type system can’t infer that the empty array should be a string array, because there are no items to go by.