C++20 Improved the For-Loop Syntax

Re:C++20 Improved the For-Loop Syntax by xigoi on Wednesday July 15, 2026 @09:35AM (#48920637)

I find Go’s version worse in that it does not allow you to elide the index (which is not needed most of the time). You have to write `for _, s := range vec`, as `for s := range vec` makes s the index.

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Re:C++20 Improved the For-Loop Syntax by WalterBright on Wednesday July 15, 2026 @01:39PM (#48924429)

To clarify,

    foreach (s; vec)

works if you don't need the index. To be able to modify s in place:

    foreach (ref s; vec) s = "replacement";

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Re:C++20 Improved the For-Loop Syntax by xigoi on Wednesday July 15, 2026 @05:34PM (#48927345)

I was talking about Go. I know you don’t need the index in D.

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