Re: Idea for better function callbacks (another syntactic sugar)

пт, 26 окт. 2018 г. в 18:57, Kalle Sommer Nielsen <kalle@php.net>: > Den fre. 26. okt. 2018 kl. 17.43 skrev Larry Garfield < > larry@garfieldtech.com>: > > I believe the proposal for short lambas (which should get resurrected at > some > > point) would handle this case well enough as well as help a dozen other > > things. To wit: > > > > array_filter($names, |$x| ==> trim($x)) > > I still fail to see why it would be considered to have that over a > perfectly encapsulted string for a callback, using a lambda/closure is > just an extra runtime call for syntax sugar, that seems poor in my > eyes. > Right click on function::trim - Find Usages. Basically allows to find all usages of a given function, including the callback usage. > > What would be ideal here, would be for functions to be first class > citizens in callback contexts, like in C to avoid the quotation, > however it clashes with constants. A hack you can do in userland could > be something like: > > const trim = 'trim'; > array_filter($names, trim); > > > > -- > regards, > > Kalle Sommer Nielsen > kalle@php.net > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > > -- Arvīds Godjuks +371 26 851 664 arvids.godjuks@gmail.com Skype: psihius Telegram: @psihius https://t.me/psihius