unless in Ruby on rails
By: Brian Marick
The word “unless†is in the English language for a reason. Contrast “unless the judge is unfair, you’ll win†with “if the judge is not unfair, you’ll win.†Negations - especially negations of already negative ideas can be confusing. The same is true of Ruby code:
unless
unfair(judge)winner = you
end
if not
unfair(judge)winner = you
end
You can also use
unless with the one-line form:array.pop
unless array.empty?Archived Comments
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View Tutorial By: FrancineX at 2017-06-25 09:39:51
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View Tutorial By: Http://ludovodka.ru at 2016-02-08 11:43:54
4. Unless the judge is unfair, you'll win??? Really that's the question.
If the judge is fair
View Tutorial By: faker at 2012-05-07 05:41:45
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