Never saw it before, wouldn't recommend using it. Too much of a "wow this is a clever trick" thing which doesn't do much more than harm readability (not criticizing the author here, I think he's acknowledging exactly this).
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Never saw it before, wouldn't recommend using it. Too much of a "wow this is a clever trick" thing which doesn't do much more than harm readability (not criticizing the author here, I think he's acknowledging exactly this).