[erlang-questions] learning Erlang: factoring primes
Fri May 4 11:32:20 CEST 2007
On Friday 04 May 2007 18:59, Kostis Sagonas wrote:
> Anthony Shipman wrote:
> > On Friday 04 May 2007 18:07, Kostis Sagonas wrote:
> >> Please, do not use == for arithmetic comparisons with integers (*).
> >> It's brain damage from C.
> >> Learn to use =:= instead. It's more kosher.
> > Is there a performance difference?
> In emulated code, the performance difference, if any, it is quite small.
> In native code, the performance difference is currently also small,
> although this might change soon (if we partly inline =:=).
> But is it not an issue of performance; it's a problem in the semantics
> of the == operator.
Please elaborate. The erlang manual is terse. For integer arguments I can see
no difference in semantics between the two.
Anthony Shipman Mamas don't let your babies
als@REDACTED grow up to be outsourced.
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