Re: Common Lisp solved this problem 20 years ago Marcin 'Qrczak' Kowalczyk 25 Oct 2005 19:11 UTC

Alan Watson <xxxxxx@astrosmo.unam.mx> writes:

> I aplaud this goal. However, rather than create this horrid mess of
> type-specific operators, I would much prefer an approach that used
> type declarations, perhaps:
>
>    (with-flonum (x y) (/ x y))
>    (with-fixnum (n m) (* n m))

Declaring types of identifiers is not enough, because it can't express
the wish to ignore any fixnum overflow and assume that the result will
fit in a fixnum.

--
   __("<         Marcin Kowalczyk
   \__/       xxxxxx@knm.org.pl
    ^^     http://qrnik.knm.org.pl/~qrczak/