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Comment by notbeuller | Hacker News Reader

I really appreciate the single quote allowing for alignment:

case 0b0001'0000:

case 0b0101'1000:

(edit, fixed formatting, but I also wanted to agree with a lower down comment asking for 0b001_0000 instead; a better choice.)

As you say, in D it's:

    case 0b0001_0000:

    case 0b0101_1000:

which indeed looks much nicer. I have no idea why C++, when copying the feature, didn't use _.

P.S. I copied this feature from 1983 Ada. AFAIK, it was a completely forgotten feature until D had it, then other languages started copying D.