> Date: Thu, 07 Nov 2002 20:48:50 +1100
> From: Damian Conway <[EMAIL PROTECTED]>
>
> we could make it lazy thus:
>
> sub a_pure_func(Num $n) is lazy returns Num {
> return $n ** $n
> }
>
> which would cause any invocation of C<a_pure_func> to cache
> its arguments (probably in a closure) and return a "proxy"
> Num that carries out the computation only when the proxy is
> evaluated.
sub a_pure_func(Num $n) returns Num {
class is Num {
method FETCH { $n * $n } }.new
}
Yes? No?
Luke
