Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:83097
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain lerdorf.com designates 209.85.220.53 as permitted sender)
Message-ID: <54E4D0D0.10404@lerdorf.com>
Date: Wed, 18 Feb 2015 09:50:08 -0800
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0
MIME-Version: 1.0
To: francois@php.net, =?UTF-8?B?J1DDoWRyYWljIEJyYWR5Jw==?=
 <padraic.brady@gmail.com>
CC: 'Robert Stoll' <php@tutteli.ch>, 'Zeev Suraski' <zeev@zend.com>, 
 'Nikita Popov' <nikita.ppv@gmail.com>,
 'Sara Golemon' <pollita@php.net>, 
 'PHP internals' <internals@lists.php.net>
References: <CAESVnVoZYiMWQk1Ydc-9wbkJo7Ru_4mrUtrubW=Rh=QKK9o8TA@mail.gmail.com>	<CAF+90c_S3xT07F-4smHeD=BTuSG9VQZxZ==mhyOzDuBw5QPX_Q@mail.gmail.com>	<54E3E27B.2010903@lerdorf.com>	<CAF+90c8o8GtO9=7JJ3Jmjzg-=qVAD1aiQaU32joOeD6XH_f4hg@mail.gmail.com>	<2f99c47df51fa6c73131032ec50fade0@mail.gmail.com>	<005201d04b6c$1122d130$33687390$@tutteli.ch>	<030f01d04b7f$0c71d1a0$255574e0$@php.net> <CALwr1GnSARGNDTaUzyVdMVnwM63NXhSxghc8dDxQQDKE-uMocg@mail.gmail.com> <034e01d04b9b$2d7c0160$88740420$@php.net>
In-Reply-To: <034e01d04b9b$2d7c0160$88740420$@php.net>
Content-Type: multipart/signed; micalg=pgp-sha1;
 protocol="application/pgp-signature";
 boundary="dHdIsOiv7CbMh66XAkHvVOObeoAkAx25C"
Subject: Re: [PHP-DEV] Scalar Type Hints v0.4
From: rasmus@lerdorf.com (Rasmus Lerdorf)

--dHdIsOiv7CbMh66XAkHvVOObeoAkAx25C
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable

On 02/18/2015 08:51 AM, Fran=C3=A7ois Laupretre wrote:
>> De : P=C3=A1draic Brady [mailto:padraic.brady@gmail.com]
>>
>> Careful, it helps not to call folk "radicals" if you intend to pursue
>> a compromise with them ;).
>=20
> Sorry, english is not my native language, and 'radical' may be offensiv=
e.
>=20
> I was just looking for a word for people who consider providing two mod=
es is a pre-requisite to any discussion.
>=20
>> I wouldn't necessarily mind int->float - it's lossless assuming one wa=
y only.
>=20
> It's lossless but it kills the 'strict' position. It can be claimed, on=
e hand on the heart, this will be the only exception but, as use cases an=
d side effects accumulate, we all know it will finish as a bunch of excep=
tions to a no-more strict mode, adding confusion where it is not needed. =
I guess the next one would be (int -> bool), and the rest would follow.

We need to keep in mind that int->float isn't technically lossless. We
have a 53-bit IEEE754 mantissa to take account for here, so it is only
lossless for values below 36028797018963966 or so.

-Rasmus


--dHdIsOiv7CbMh66XAkHvVOObeoAkAx25C
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iEYEARECAAYFAlTk0NEACgkQlxayKTuqOuCNzwCfVhmyvaWiJTL3KN1j+yuVlJMl
AEEAnA9bp1kMQoF+He7MoN43Sy5WWmTp
=RA0C
-----END PGP SIGNATURE-----

--dHdIsOiv7CbMh66XAkHvVOObeoAkAx25C--