Re: What are the arguments in favor of delay/force in eval.c?

[Kevin Ryde]

Rob Browning <address@hidden> writes:
>
> Does anyone know what the arguments are, if any, for implementing
> delay and force directly in eval.c rather than more generically, at
> the Scheme level, perhaps in boot-9.scm via define-record, lambda,
> etc.?

I imagine some C code is less bytes for a promise object.

(Speaking of which, I'd thought before that once a promise is forced
it shouldn't need a mutex any more, which would save a bit of time and
space.)