On Sun, Feb 9, 2025 at 11:18 PM Alexander Burger <picolisp@software-lab.de> wrote:
> Exactly. 'tco' does not make much difference in total running time. It > is all about stack usage. > > Thanks Alex! > Try with a limited stack size: > > : (stack 8 8) # Stack sizes 8 KiB > -> 8 > : (co 'a (yield)) # Start a coroutine to segment the stack > -> NIL > > : (fiboTco 99) > -> 218922995834555169026 > > : (fiboRecur 99) > !? ((N A B) (if (=0 N) A (recurse (dec N) B (+ A B)))) > T -- Stack overflow > ? > Give up: No stack > > Nice example. 'stack' is yet another function I haven't fully appreciated until recently /Lindsay
