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Date: Mon, 11 Jan 2021 20:09:41 -0500
In-Reply-To: <28f44744-4dc5-4cb8-8751-6b66386119fa@www.fastmail.com>
Cc: php internals <internals@lists.php.net>
To: Larry Garfield <larry@garfieldtech.com>
References: <deff4418-5c66-4f19-ba25-b2c267e8b53f@www.fastmail.com>
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Subject: Re: [PHP-DEV] "TryX" idom for Enumerations
From: mike@newclarity.net (Mike Schinkel)

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> On Jan 11, 2021, at 6:52 PM, Larry Garfield <larry@garfieldtech.com> =
wrote:
>=20
> On Mon, Jan 11, 2021, at 2:27 PM, Ben Ramsey wrote:
>>> On Jan 10, 2021, at 20:09, Larry Garfield <larry@garfieldtech.com> =
wrote:
>>>=20
>>> On Sun, Jan 10, 2021, at 4:40 PM, Mark Randall wrote:
>>>> On 10/01/2021 21:27, Larry Garfield wrote:
>>>>> The "a method that begins with try is nullable, so watch out" =
idiom is present in C# and Rust, but to my knowledge has never existed =
in PHP.  That doesn't make it bad; it actually combines quite well with =
the null coalesce operator to allow for default values, making a =
valueOrDefault() method unnecessary.
>=20
>=20
>> I have no problem introducing this idiom (or similar). In fact, I =
welcome it.
>>=20
>> In userland, the same concept is often achieved with methods like=20
>> `fromOrNull()`, and as Mark points out, the word =E2=80=9Ctry=E2=80=9D =
makes me think=20
>> the method should throw an exception if it fails. I=E2=80=99m not =
advocating=20
>> for `xOrNull()`, though, since I think that smacks of Hungarian=20
>> notation, but maybe we can come up with something that is a more=20
>> PHP-ish name. ;-)
>>=20
>> =E2=80=9CThere are two hard things in computer science: cache =
invalidation,=20
>> naming things, and off-by-one errors.=E2=80=9D --Phil Karlton
>>=20
>> Cheers,
>> Ben
>=20
> Do you have a suggestion for a better, more PHP-ish naming convention?

maybeFrom()?

>=20
> "It's what other languages use and they don't have a problem" is a =
valid argument, but not a slam dunk so alternate naming patterns are on =
the table.
>=20
> --Larry Garfield
>=20
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