Damian Conway wrote: > 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. >
Would it be useful to apply memoization in a similar fashion... sub square ( Num $n ) is memo { return $n ** $n; } -banjo