June 2017
Beginner
330 pages
7h 30m
English
The unless conditional is a popular programming process for many Rubyists. It's not required and many developers I know, even experienced ones, don't like it since it is a very different way of looking at conditionals. I'll leave it up to you to decide if you feel good about using it in your own programs. Either way, you'll run into it in a large number of Ruby programs, so it's important to at least understand the syntax.
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