Matthew Smillie wrote:
> if     X != Y # X not equal to Y
> 
> unless X == Y # X equal to Y
> 
> You can pick the one that's more linguistically appealing to you, though 
> I have a hunch that 'if' is more popular than 'unless'.

I only think that's because most other languages don't have `unless' :)


Cheers,
Daniel