Re: [RFC] $this return type

> On Sep 9, 2021, at 10:26 AM, Flávio Heleno <flaviohbatista@gmail.com> wrote: > > On Tue, Sep 7, 2021 at 10:27 AM Sebastian Bergmann <sebastian@php.net> > wrote: > >> Am 07.09.2021 um 12:28 schrieb Nikita Popov: >>> I have some reservations about this (which basically come down to $this >> not >>> being a proper "type", so should it be in the type system?) but I can see >>> the practical usefulness, so I think it's worth discussing this. >> >> I am not conviced that there is enough value in this to introduce syntax >> for it, but if at all, then please not "$this" as the name for a type. >> >> Off the top of my head, I think that "same" could make sense. >> >> -- >> PHP Internals - PHP Runtime Development Mailing List >> To unsubscribe, visit: https://www.php.net/unsub.php >> >> > Hi all, > > I'm sorry if I'm being naive, or simply put dumb, but the main difference > that we're trying > to achieve with having "$this" (or variations of it) as a valid return type > as opposed to simply > using "self" is to ensure that the underlying code is actually doing a > "return $this" rather > than returning any other valid "self" instance (such as "return new > self();")? So a *mutable* fluent style vs. an *immutable* fluent style? -Mike