|Do you know where your variables are?|
That's why you should never use $a and $b as variable names.
Personally, I think instead of promoting a blanket ban on using lexical $a & $b -- which 9x% of code can use safely and usefully -- it would be better to change the documentation to show the use of:
which avoids the problem and clearly marks out the special usage of these variables for sort.
A simple change that would easily fix the problem.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I knew I was on the right track :)
In the absence of evidence, opinion is indistinguishable from prejudice.I'm with torvalds on this Agile (and TDD) debunked I told'em LLVM was the way to go. But did they listen!