As a userland developer I feel $$ (or some variation starting with $) is reasonably natural - it's a variation on a regular variable.
Sent from my iPhone > On 25 Jan 2017, at 03:53, Levi Morrison <le...@php.net> wrote: > >> On Tue, Jan 24, 2017 at 12:25 PM, Rasmus Schultz <ras...@mindplay.dk> wrote: >> Isn't `_` more generally used as a "discard" placeholder in most languages? >> >> At least in Swift, Go, Scala, Dart and C# (starting with v7) I think? >> >> I don't recall having seen it mean "fill in the blank". In what languages? >> >> >>> On Fri, Jan 20, 2017 at 4:26 PM, Levi Morrison <le...@php.net> wrote: >>> >>> Oops, sorry for an email that just quotes others; mis-clicked send. >>> >>>> Last, a cosmetic suggestion : replace '$$' with '$<' (more explicit as >>>> 'input data', imo). >>> >>> If we aren't going to use `$$` I'd like to use `_` or `__` which read >>> similar to "fill in the blank" and has precedence in other languages. >>> >>> But at this stage I'd much rather focus on changing the general model >>> to what I've proposed instead of what is outlined in the RFC. I care >>> much more about the feature than the exact syntax for it. >>> >>> -- >>> PHP Internals - PHP Runtime Development Mailing List >>> To unsubscribe, visit: http://www.php.net/unsub.php > > Scala does use it this way. It also uses it in pattern matching to > mean "match anything else" or "I don't care about this one". > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
