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Re: meta-comment on typing

This page is part of the web mail archives of SRFI 77 from before July 7th, 2015. The new archives for SRFI 77 contain all messages, not just those from before July 7th, 2015.

Per Bothner <per@xxxxxxxxxxx> writes:

> Since it *optional* static typing, I'm assuming that the specific
> operations are "consistent" in the sense of the following example:
> If (and (fixnum? x) (fixnum? y))
> then: (eqv? (+ x y) (fx+ x y))

It's not the same: (fx+ x y) returns a fixnum even if it overflows.

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