• snoweA
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        1 year ago

        they also said switch expressions, which indicates they want the switch statement to be settable directly to a variable with whatever the return type of the switch is.

        • spartanatreyu
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          1 year ago

          Match already returns the value which can be thrown into a variable.

      • JakenVeina@lemm.ee
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        1 year ago

        Nah, I meant switch, as that’s what it’s called in C#-land. See above.

        That proposal for matching looks interesting, but not quite the same, no.

        • spartanatreyu
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          1 year ago

          Are you sure?

          Your C# example:

          var output = input switch
          {
              null    => "Null",
              0       => "Zero",
              > 0     => "Positive",
              _       => "Negative"
          };
          

          JS proposal for match:

          const output = match input {
              when null:    "Null";
              when 0:       "Zero";
              if input > 0: "Positive";
              default:      "Negative";
          }
          
    • JakenVeina@lemm.ee
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      1 year ago

      Yeah, a switch expression is different than a switch statement. I’m not actually sure how many languages actually have them, but in C# its…

      var output = input switch
      {
          null    => "Null",
          0       => "Zero",
          > 0     => "Positive",
          _       => "Negative"
      };