From: Josh Cheek <josh.cheek@...>
Date: 2011-05-08T10:15:06+09:00
Subject: Re: Help with while condition OR condition

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On Sat, May 7, 2011 at 5:37 PM, Bill W. <sirwillard42@gmail.com> wrote:

>
> EXIT = "exit"  #need constants since Ruby gets pissed at string literals
> QUIT = "quit"  #in a comparison
>
>
It doesn't get pissed at string literals in comparison, its just that it was
able to tell that the way you were comparing didn't make sense (because
string literal is known at time you wrote it, not dynamically looked up, so
the comparison is also known, and doesn't make sens). So it was warning you
of the issue. It didn't complain when you stored then in vars/constants,
because it doesn't know their value until runtime. They could hypothetically
be false or nil, so it isn't conspicuously an error.

e.g.

if "some literal"
  # do something
end # !> string literal in condition

if "some literal" || "other"
  # do something
end # !> string literal in condition

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