I agree with you about avoiding unless {} else {}, but that's because it's confusing to native English speakers as well.
Is it? I'm not native (Russian) and the whole concept of unless is alien to me. But I got over it, and even got used to it and even became fond of it (due to Perl) :) Never thought that unless {} else {} does not look like real English. Thanks for education!

In reply to Re^3: A new idiom -or- I Hate Unless by kappa
in thread A new idiom -or- I Hate Unless by erikharrison

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