Just where has this language gone wrong?

[Russel Winder]

On Tue, 2012-07-24 at 16:59 +0200, Simen Kjaeraas wrote:
[…]
> ...which inspired me to write this implementation of fibonacci:
> 
> T fib(T = int)(int n, T a = 0, T b = 1) {
>      while ( n-- ) {
>          TypeTuple!(a,b) = tuple(b, a +b);
>      }
>      return a;
> }

Or possibly better:

long fibonacci ( immutable long n ) {
  return array ( takeExactly ( recurrence ! ( "a[n-1] + a[n-2]" ) ( 0L , 1L ) , cast ( size_t ) ( n + 1 ) ) ) [ n ] ;
}

?
-- 
Russel.
=============================================================================
Dr Russel Winder      t: +44 20 7585 2200   voip: sip:russel.winder at ekiga.net
41 Buckmaster Road    m: +44 7770 465 077   xmpp: russel at winder.org.uk
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