[Haskell-cafe] let and fixed point operator

[Paul Hudak]

Andrew Coppin wrote:
> OK, so it's only tangentally related, but... do you have *any idea* 
> how many times I've written something like
>
>  let x = (some complex function of x)
>  in (some other complex function of x)
>
> when in fact what I *meant* to do was type x' instead of x?! 

I try not to use primes (x', x'', etc.) on variables for exactly this 
reason, and instead try to use more descriptive names, such as "newx", 
or "y", or whatever.  Of course you can still make typing mistakes, but 
that's always the case...

    -Paul