Re: Inline Lambda Functions

Wed, Jun 29, 2011 at 9:36 AM, Jarrod Nettles <jarrod@squarecrow.com> wrote: > Hi Stefan, > > The point was not about array filtering or LINQ or any of that. It was > about the plausibility of using a shorthand for closures. > > Instead of this..... > > array_filter($source, function($x){ return $x < 5; }); > > Being able to do this..... (or something like it). > > array_filter($source, $x => $x < 5); > > This would provide a much more friendly way of using callbacks. Lambdas > have great uses, but I feel like they are underutilized in PHP. C#, for > example, has made excellent use of a lambda-friendly syntax like the one > above, and Java is planning something similar (for Java 8, I believe). > > > From: Stefan Neufeind <neufeind@php.net> > Date: June 28, 2011 2:20:39 PM CDT > To: internals@lists.php.net > Subject: Re: [PHP-DEV] Inline Lambda Functions > > > On 06/28/2011 03:51 PM, Jarrod Nettles wrote: > > There are two projects that I've been following for awhile now: PLINQ > > and PHPLinq. > > http://plinq.codeplex.com/ > > http://phplinq.codeplex.com/ > > Both of them have made very solid attempts at providing LINQ-like > > functionality to PHP but with both, I've been a little frustrated > > with the implementations, due to the wordy syntax that PHP lambda > > functions require. > > [...] > > Hi, > > well, for your examples: Why not just array_filter() with an appropriate > callback? Should handle it like you describe plinq does it, right? > > > Jarrod I think is a very good idea. Which you think the syntax will be for... * multiples arguments * multiples sentences * no return value closures could be kind of wordy but they are very clear about those. Martin Scotta > Regards, > Stefan >