From: Stefan Monnier <monnier@iro.umontreal.ca>
To: guile-devel@gnu.org
Subject: Re: guile 3 update: more number unboxing improvements
Date: Wed, 29 Nov 2017 22:03:08 -0500 [thread overview]
Message-ID: <jwvbmjkeafk.fsf-monnier+gmane.lisp.guile.devel@gnu.org> (raw)
In-Reply-To: 874lpdwlfq.fsf@igalia.com
> (define (out-of-range x) (error "out of range" x))
> (define (not-int x) (error "expected an integer" x))
> (cond
> ((fixnum? x)
> (if (<= -10 x 100)
> (* x 2)
> (out-of-range x)))
> ((bignum? x)
> (if (<= -10 x 100)
> (* x 2)
> (out-of-range x)))
> (else
> (not-int x)))
Looks a bit like the result of "splitting tails", in this case,
tho selectively.
Stefan
prev parent reply other threads:[~2017-11-30 3:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-29 8:14 guile 3 update: more number unboxing improvements Andy Wingo
2017-11-30 3:03 ` Stefan Monnier [this message]
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