Re: [PHP-DEV] Re: Generators in PHP

On Sun, Aug 19, 2012 at 6:03 PM, Derick Rethans wrote: > On Sun, 19 Aug 2012, Nikita Popov wrote: > >> On Sun, Aug 19, 2012 at 6:28 AM, Stas Malyshev >> wrote: >> > >> >> For PHP we would need to have some similar behavior. PHP's current >> >> exception model is incompatible with GeneratorExitEx

Re: [PHP-DEV] Re: Generators in PHP

On 19/08/12 17:03, Derick Rethans wrote: On Sun, 19 Aug 2012, Nikita Popov wrote: On Sun, Aug 19, 2012 at 6:28 AM, Stas Malyshev wrote: For PHP we would need to have some similar behavior. PHP's current exception model is incompatible with GeneratorExitException (because PHP does not have Bas

Re: [PHP-DEV] Re: Generators in PHP

On Sun, 19 Aug 2012, Nikita Popov wrote: > On Sun, Aug 19, 2012 at 6:28 AM, Stas Malyshev wrote: > > > >> For PHP we would need to have some similar behavior. PHP's current > >> exception model is incompatible with GeneratorExitException > >> (because PHP does not have BaseExceptions). So what

Re: [PHP-DEV] Re: Generators in PHP

On Sun, Aug 19, 2012 at 6:28 AM, Stas Malyshev wrote: > Hi! > >> For PHP we would need to have some similar behavior. PHP's current >> exception model is incompatible with GeneratorExitException (because >> PHP does not have BaseExceptions). So what I'd probably do instead is >> monkeypatch a ZEND

Re: [PHP-DEV] Re: Generators in PHP

Hi! > For PHP we would need to have some similar behavior. PHP's current > exception model is incompatible with GeneratorExitException (because > PHP does not have BaseExceptions). So what I'd probably do instead is > monkeypatch a ZEND_RETURN opcode at the current execution position and Patching

Re: [PHP-DEV] Re: Generators in PHP

On Thu, Aug 9, 2012 at 4:49 AM, Sherif Ramadan wrote: >> >> One question, though: It looks based on the voting like finally {} blocks >> are going in. So... what should happen in the following situation: >> >> function stuff() { >> try { >> foreach (range(1, 100) as $i) { >> yield $i;

Re: [PHP-DEV] Re: Generators in PHP

On Thu, Aug 9, 2012 at 4:49 AM, Sherif Ramadan wrote: >> >> One question, though: It looks based on the voting like finally {} blocks >> are going in. So... what should happen in the following situation: >> >> function stuff() { >> try { >> foreach (range(1, 100) as $i) { >> yield $i;

RE: [PHP-DEV] Re: Generators in PHP

> -Original Message- > From: Andrew Faulds [mailto:a...@ajf.me] > Sent: 25 July 2012 18:03 [...] > Fact: Adding a new name for a special kind of function as a syntax > construct is going to cost (possibly unnecessary) time and energy, > because now you have functions, and weird things tha

Re: Re: [PHP-DEV] Re: Generators in PHP

On 2012-08-09 14:25, Larry Garfield wrote: On 07/27/2012 07:23 AM, Lester Caine wrote: Nikita - I am looking for a well reasoned argument as to why generator has to be added at all! 'Just because it can be' is not a valid argument, but perhaps you could add to the RFC the performance implicatio

Re: [PHP-DEV] Re: Generators in PHP

> > One question, though: It looks based on the voting like finally {} blocks > are going in. So... what should happen in the following situation: > > function stuff() { > try { > foreach (range(1, 100) as $i) { > yield $i; > } > } > finally { > print "All done"; > } > }

Re: [PHP-DEV] Re: Generators in PHP

On 07/27/2012 07:23 AM, Lester Caine wrote: Nikita Popov wrote: I'll ask again since no one has answered ... > >In a different way ... >Is the only thing that changes the 'function' into a 'generator' replacing >the call to process the data with 'yield'? ( That would be 'SUSPEND' in an >SQL p

Re: [PHP-DEV] Re: Generators in PHP

2012/7/28 Rasmus Lerdorf : > Very early versions of PHP v1 actually had distinct list, map and set > implementations but I replaced those early on with a unified hybrid > ordered map implementation and just called it the "Array" type. The > thinking was that in almost all situations in a Web app, a

Re: [PHP-DEV] Re: Generators in PHP

On 07/28/2012 12:37 AM, Lester Caine wrote: > Rasmus Lerdorf wrote: I don't think this generator question is any different. We need to >>explain generators in the simplest way possible. The simplest way to >>explain generators is to not even worry about them being generators at

Re: [PHP-DEV] Re: Generators in PHP

Rasmus Lerdorf wrote: I don't think this generator question is any different. We need to >>explain generators in the simplest way possible. The simplest way to >>explain generators is to not even worry about them being generators at >>all. Simply say that functions can now return arrays one eleme

Re: [PHP-DEV] Re: Generators in PHP

On 07/27/2012 11:59 PM, Lester Caine wrote: > Rasmus Lerdorf wrote: >> I don't think this generator question is any different. We need to >> explain generators in the simplest way possible. The simplest way to >> explain generators is to not even worry about them being generators at >> all. Simply

Re: [PHP-DEV] Re: Generators in PHP

Rasmus Lerdorf wrote: I don't think this generator question is any different. We need to explain generators in the simplest way possible. The simplest way to explain generators is to not even worry about them being generators at all. Simply say that functions can now return arrays one element at

Re: [PHP-DEV] Re: Generators in PHP

On 07/26/2012 11:36 PM, Alex Aulbach wrote: > 1) The bigger the language grows, the more we need to think about how > to implement new features. > I think it's a bad argument to say "we made this and that not so > ideal, so we can make this also. Don't be so idealistic." :) > I think it's a duty to

Re: [PHP-DEV] Re: Generators in PHP

On Wed, Jul 25, 2012 at 10:36 PM, Lester Caine wrote: > But WHY would you not simply put the function that is handling the returned > data in place of the yield? > Why do you want to keep exiting and re-entering the 'do loop' when the data > can simply be forwarded direct to a function to handle i

Re: [PHP-DEV] Re: Generators in PHP

> > >> The micro benchmark is just that, and is not as far as I can see testing > the sort of iterating process that would happen normally when going through > a data set. It simply times the iterator, but does not compare like with > like! > > I hear your concerns about performance, and you're goo

Re: [PHP-DEV] Re: Generators in PHP

Sherif Ramadan wrote: https://wiki.php.net/rfc/generators#performance "You can find a small micro benchmark at https://gist.github.com/2975796. It compares several ways of iterating ranges:" What part of this discussion led you to believe such a ridiculous argument as to why generator were intr

Re: [PHP-DEV] Re: Generators in PHP

On 27/07/12 13:23, Lester Caine wrote: Nikita Popov wrote: I'll ask again since no one has answered ... > >In a different way ... >Is the only thing that changes the 'function' into a 'generator' replacing >the call to process the data with 'yield'? ( That would be 'SUSPEND' in an >SQL proced

Re: [PHP-DEV] Re: Generators in PHP

> > > Nikita - I am looking for a well reasoned argument as to why generator has > to be added at all! 'Just because it can be' is not a valid argument, but > perhaps you could add to the RFC the performance implication or advantage of > what is being proposed. That would at least be some compariso

Re: [PHP-DEV] Re: Generators in PHP

Nikita Popov wrote: I'll ask again since no one has answered ... > >In a different way ... >Is the only thing that changes the 'function' into a 'generator' replacing >the call to process the data with 'yield'? ( That would be 'SUSPEND' in an >SQL procedure ) ... > >So how DOES an IDE work out th

Re: [PHP-DEV] Re: Generators in PHP

On Fri, Jul 27, 2012 at 9:56 AM, Lester Caine wrote: > I'll ask again since no one has answered ... > > In a different way ... > Is the only thing that changes the 'function' into a 'generator' replacing > the call to process the data with 'yield'? ( That would be 'SUSPEND' in an > SQL procedure )

Re: [PHP-DEV] Re: Generators in PHP

Lester Caine wrote: Fact: yield makes functions some kind of "different". > Yes, they turn normal functions into continuation functions (functions which can be exited and reentered dynamically). But WHY would you not simply put the function that is handling the returned data in place of the y

Re: [PHP-DEV] Re: Generators in PHP

2012/7/26 Rasmus Lerdorf : > A generator is enough like a function that we > don't need a new keyword for it. We typically don't get too pedantic in > PHP concepts and try to keep things simple. What we call an array isn't > technically an array either. It's an ordered map, but it looks enough > l

Re: [PHP-DEV] Re: Generators in PHP

On Wed, Jul 25, 2012 at 11:00 PM, Jared Williams wrote: > Though here is seemingly another problem, though it could be within > spl's MultipleIterator() Thanks, this is fixed now (see https://github.com/nikic/php-src/commit/268740d9848d435054ce73a8cfe36b2b732cd1f7). It turned out that you have to

Re: [PHP-DEV] Re: Generators in PHP

On 07/25/2012 04:25 PM, Alex Aulbach wrote: > In 50 lines of code yield will be just overseen. > > But I meant something different: I thought of documentation. Maybe > someone reads the docs. Really! In the docs he will find functions. > And in the function this "yield". He dosn't want to know tha

Re: [PHP-DEV] Re: Generators in PHP

2012/7/25 Sara Golemon : >> Fact: yield/generators is more or less complicated, this shouldn't be >> changed - it's a proven concept. > > Speaking of parse errors, I'm having trouble parsing this line. I *think* > you're saying that generators are just complex things and that's the way it > should

Re: [PHP-DEV] Re: Generators in PHP

2012/7/25 Nikita Popov : > particular with namespaced code). So if you have some kind of > Code\Generator class, you're screwed. > Keywords don't grow on trees, you know ;) Hm. Ok, thats a problem. Oh, man, do I really have to find a good keyword myself? Maybe we should use a password-generator. :

RE: [PHP-DEV] Re: Generators in PHP

> -Original Message- > From: Nikita Popov [mailto:nikita@gmail.com] > Sent: 22 July 2012 16:53 > To: Jared Williams > Cc: Nikita Popov; PHP internals > Subject: Re: [PHP-DEV] Re: Generators in PHP > > On Sat, Jul 21, 2012 at 6:31 PM, Jared Williams >

Re: [PHP-DEV] Re: Generators in PHP

> > Suggestion: > > For a generator, rename the keyword "function" to ... "generator" or > something like that. Example: >generator hugo() >{ > yield ... >} > > As Nikita pointed out, having a T_GENERATOR token will cause side-effect problems from namespace collisions. This is a c

Re: [PHP-DEV] Re: Generators in PHP

Sara Golemon wrote: Fact: yield makes functions some kind of "different". > Yes, they turn normal functions into continuation functions (functions which can be exited and reentered dynamically). But WHY would you not simply put the function that is handling the returned data in place of the

Re: [PHP-DEV] Re: Generators in PHP

Hi! > Speaking of parse errors, I'm having trouble parsing this line. I *think* > you're saying that generators are just complex things and that's the way it > should be. I... guess I agree, though I have a lower opinion on the > complexity of generators. Seem like a fairly straightforward conc

Re: [PHP-DEV] Re: Generators in PHP

Lester Caine wrote: Do you use PHP objects and classes at all? Because if you do, then your PHP5 code SHOULDN'T work in PHP4. Perhaps it does, but I find that very suspicious. And you shouldn't rely on it. http://lsces.org.uk/hg/ https://github.com/bitweaver http://cia.vc/stats/author/lsces I

Re: [PHP-DEV] Re: Generators in PHP

Just please don't forget that "generator" isn't quite a rare word (unlike "yield"), so there are high chances for collisions (in particular with namespaced code). So if you have some kind of Code\Generator class, you're screwed. Keywords don't grow on trees, you know ;) Also I'd like to point out

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 18:58, Dave Ingram wrote: Fact: Adding a new name for a special kind of function as a syntax construct is going to cost (possibly unnecessary) time and energy, because now you have functions, and weird things that look almost like functions but aren't and can only be used to make ge

Re: [PHP-DEV] Re: Generators in PHP

Fact: Adding a new name for a special kind of function as a syntax construct is going to cost (possibly unnecessary) time and energy, because now you have functions, and weird things that look almost like functions but aren't and can only be used to make generators. Just to put my oar in too, a

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 17:54, Alex Aulbach wrote: 2012/7/25 Andrew Faulds : Experience can be helpful. But you must support things with facts Ok, I tried to bring all the pro arguments together. Suggestion: For a generator, rename the keyword "function" to ... "generator" or something like that. Example

Re: [PHP-DEV] Re: Generators in PHP

2012/7/25 Andrew Faulds : > Experience can be helpful. But you must support things with facts Ok, I tried to bring all the pro arguments together. Suggestion: For a generator, rename the keyword "function" to ... "generator" or something like that. Example: generator hugo() { yield ..

Re: [PHP-DEV] Re: Generators in PHP

Andrew Faulds wrote: Do you use PHP objects and classes at all? Because if you do, then your PHP5 code SHOULDN'T work in PHP4. Perhaps it does, but I find that very suspicious. And you shouldn't rely on it. http://lsces.org.uk/hg/ https://github.com/bitweaver http://cia.vc/stats/author/lsces

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 17:09, Lester Caine wrote: Ferenc Kovacs wrote: some/most of the E_STRICT messages are telling you about (possible) problems in your code. The major hurdle here is 'static', and not being able to use a function both statically or with $this. PEAR is currently throwing these 'warni

Re: [PHP-DEV] Re: Generators in PHP

Ferenc Kovacs wrote: some/most of the E_STRICT messages are telling you about (possible) problems in your code. The major hurdle here is 'static', and not being able to use a function both statically or with $this. PEAR is currently throwing these 'warnings' so is there problems in the PEAR cod

Re: [PHP-DEV] Re: Generators in PHP

On 7/25/2012 7:50 AM, Andrew Faulds wrote: On 25/07/12 15:19, Lester Caine wrote: Sherif Ramadan wrote: ... I have no problem >with it, I use PHP every day, but as explained most PHP-developers >will have problems and I can say that, because I've more than 20 years >experience in that. Do you h

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 16:51, Ferenc Kovacs wrote: On Wed, Jul 25, 2012 at 5:37 PM, Alex Aulbach > wrote: 2012/7/25 Ferenc Kovacs mailto:tyr...@gmail.com>>: >> more than 20 years >> experience in that. Do you have that? > > http://en.wikipedia.org/wiki/

Re: [PHP-DEV] Re: Generators in PHP

On Wed, Jul 25, 2012 at 5:37 PM, Alex Aulbach wrote: > 2012/7/25 Ferenc Kovacs : > >> more than 20 years > >> experience in that. Do you have that? > > > > http://en.wikipedia.org/wiki/Appeal_to_authority > > So what? U are using Wikipedia to invalidate me. :) Is it so > bad to hear an people wit

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 16:47, Ferenc Kovacs wrote: He linked to the Wikipedia "Appeal to authority" article because it's a common logical fallacy. Experience alone does not make you any more right than somebody else, and in the same way, someone without it is not "less right". Also, I

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 16:43, Alex Aulbach wrote: 2012/7/25 Andrew Faulds : We, of course, should try to avoid user confusion if it will be a big issue. But I don't see any here. I said it's small and the fix is small also. Big issue, big fix, small issue, small fix. Understand? Also, 20 years experien

Re: [PHP-DEV] Re: Generators in PHP

> > > He linked to the Wikipedia "Appeal to authority" article because it's a > common logical fallacy. Experience alone does not make you any more right > than somebody else, and in the same way, someone without it is not "less > right". > > Also, I have 16 years of experience at life, so obvious

Re: [PHP-DEV] Re: Generators in PHP

2012/7/25 Andrew Faulds : > We, of course, should try to avoid user confusion if it will be a big issue. > > But I don't see any here. I said it's small and the fix is small also. Big issue, big fix, small issue, small fix. Understand? > Also, 20 years experience does not necessarily a good progr

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 16:37, Alex Aulbach wrote: 2012/7/25 Ferenc Kovacs : more than 20 years experience in that. Do you have that? http://en.wikipedia.org/wiki/Appeal_to_authority So what? U are using Wikipedia to invalidate me. :) Is it so bad to hear an people with more experience? Do you have probl

Re: [PHP-DEV] Re: Generators in PHP

On Wed, Jul 25, 2012 at 5:11 PM, Lester Caine wrote: > Andrew Faulds wrote: > >> I top you 20 years with 37 years. I was programming in Algol in 1975 ( at >>> Warwick university ). I'm not a programmer, I'm a hardware engineer who >>> has to >>> program to make systems work. I added PHP 12 years

Re: [PHP-DEV] Re: Generators in PHP

Andrew Faulds wrote: Boo hoo, PHP has new features, you'll have to understand them, shock horror! Actually I've not even look at some of these newfangled bits, and if they did appear in one of my key libraries then I'd definitely fork a version and maintain my own copy! I'm STILL trying to catc

Re: [PHP-DEV] Re: Generators in PHP

2012/7/25 Ferenc Kovacs : >> more than 20 years >> experience in that. Do you have that? > > http://en.wikipedia.org/wiki/Appeal_to_authority So what? U are using Wikipedia to invalidate me. :) Is it so bad to hear an people with more experience? Do you have problems with it with authority? :) S

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 16:11, Lester Caine wrote: Andrew Faulds wrote: I top you 20 years with 37 years. I was programming in Algol in 1975 ( at Warwick university ). I'm not a programmer, I'm a hardware engineer who has to program to make systems work. I added PHP 12 years ago to create web based applic

Re: [PHP-DEV] Re: Generators in PHP

Andrew Faulds wrote: I top you 20 years with 37 years. I was programming in Algol in 1975 ( at Warwick university ). I'm not a programmer, I'm a hardware engineer who has to program to make systems work. I added PHP 12 years ago to create web based applications to augment c and Pascal based appli

Re: [PHP-DEV] Re: Generators in PHP

On 25/07/12 15:19, Lester Caine wrote: Sherif Ramadan wrote: ... I have no problem >with it, I use PHP every day, but as explained most PHP-developers >will have problems and I can say that, because I've more than 20 years >experience in that. Do you have that? > 20 years experience in PHP? N

Re: [PHP-DEV] Re: Generators in PHP

Sherif Ramadan wrote: ... I have no problem >with it, I use PHP every day, but as explained most PHP-developers >will have problems and I can say that, because I've more than 20 years >experience in that. Do you have that? > 20 years experience in PHP? No, I believe it only ever appeared pub

Re: [PHP-DEV] Re: Generators in PHP

> > > I use PHP every day, but as explained most PHP-developers > will have problems and I can say that, because I've more than 20 years > experience in that. Do you have that? > http://en.wikipedia.org/wiki/Appeal_to_authority > I'm just wondering... for whom is PHP developed, for the PHP-inter

Re: [PHP-DEV] Re: Generators in PHP

We, of course, should try to avoid user confusion if it will be a big issue. But I don't see any here. Also, 20 years experience does not necessarily a good programmer make, nor an expert in other programmers. -- Sent from Samsung Mobile Andrew Faulds http://ajf.me/ Sherif Ramadan wrote: nu

Re: [PHP-DEV] Re: Generators in PHP

> > Again: I don't have any problems with the object returning. :) > > I see a problem that the mechanism isn't understood and used wrong. > Isn't understood by who? Used wrong by who? Are we talking about people using a feature, that doesn't exist yet in PHP, the wrong way and arguing that the

Re: [PHP-DEV] Re: Generators in PHP

I was simply pointing out their usefulness. I can already do these things in PHP, but it's much nicer to do them with generators. Also, why are you so relentlessly arguing generators are hard to understand for some PHP devs? If a generator contains a return, that's a syntax error. Please explai

Re: [PHP-DEV] Re: Generators in PHP

2012/7/25 Andrew Faulds : > Generators aren't for you, then, they are for people like me who, for > example, used a C# generator for yielding tokens, or, for example, use > generators to iterate element by element through multi-dimensional arrays. Then make it in the PHP way not in the C#-way.

Re: [PHP-DEV] Re: Generators in PHP

2012/7/25 Sherif Ramadan : > I don't understand what you find non-conventional about functions or > methods that return objects. Again: I don't have any problems with the object returning. :) I see a problem that the mechanism isn't understood and used wrong. And I think, that it is too easy to o

Re: [PHP-DEV] Re: Generators in PHP

Andrew Faulds wrote: Generators aren't for you, then, they are for people like me who, for example, used a C# generator for yielding tokens, or, for example, use generators to iterate element by element through multi-dimensional arrays. Such as the family tree created by iterating through a GEDC

Re: [PHP-DEV] Re: Generators in PHP

Generators aren't for you, then, they are for people like me who, for example, used a C# generator for yielding tokens, or, for example, use generators to iterate element by element through multi-dimensional arrays. -- Sent from Samsung Mobile Andrew Faulds http://ajf.me/ Lester Caine wrote:

Re: [PHP-DEV] Re: Generators in PHP

Sherif Ramadan wrote: I don't see anything about these particular features that isn't already documented. Albeit there are parts of the documentation that could always use a bit of refinement every now and then. With that said, the manual isn't a place to tell people "how" a particular feature sh

Re: [PHP-DEV] Re: Generators in PHP

Like they have already... :/ Sent from Samsung Mobile Ferenc Kovacs wrote: > > > ( I'll start a new thread for my other rant ... ) nah, you won't, you will bring that up in every thread instead. -- Ferenc Kovács @Tyr43l - http://tyrael.hu

Re: [PHP-DEV] Re: Generators in PHP

>> Just between PHP 5.2 and 5.4 we've gained traits, closures, >> namespaces, function array derefrencing, access to member upon >> instantiation, and lots of other lovely additions to the language. I >> don't see languages like Java or Python evolving this quickly -- by >> contrast. > > > But now

Re: [PHP-DEV] Re: Generators in PHP

> > > ( I'll start a new thread for my other rant ... ) nah, you won't, you will bring that up in every thread instead. -- Ferenc Kovács @Tyr43l - http://tyrael.hu

Re: [PHP-DEV] Re: Generators in PHP

Sherif Ramadan wrote: Just between PHP 5.2 and 5.4 we've gained traits, closures, namespaces, function array derefrencing, access to member upon instantiation, and lots of other lovely additions to the language. I don't see languages like Java or Python evolving this quickly -- by contrast. But

Re: [PHP-DEV] Re: Generators in PHP

> > I like that kind of agile programming, too. > > But if someone like me says "come on, lets make it a little bit more > easy, because returning objects from functions is some kind of > unconventional; many developers will make mistakes here..." - why not? > They will. I can tell by sure. > What

Re: [PHP-DEV] Re: Generators in PHP

Alex Aulbach wrote: PHP made implementation mistakes in the past that led to awkward >behavior (like objects passed by value in PHP4), but that's never >stopped things from moving forward and offering up useful features >that users want. I think putting the technical details aside the >engine can

Re: [PHP-DEV] Re: Generators in PHP

2012/7/25 Sherif Ramadan : > PHP made implementation mistakes in the past that led to awkward > behavior (like objects passed by value in PHP4), but that's never > stopped things from moving forward and offering up useful features > that users want. I think putting the technical details aside the >

Re: [PHP-DEV] Re: Generators in PHP

> On 24/07/12 19:32, Alex Aulbach wrote: >> >> 2012/7/24 Andrew Faulds : >>> >>> But PHP functions usually have side-effects, they aren't strict >>> mathematical >>> functions. >> >> Ah, you might mean str_tok()? Are there more, do you have a list? >> >> But we're in PHP-programming-context. You wr

Re: [PHP-DEV] Re: Generators in PHP

> > Or when you have programming errors, when you write > > function blubb() > { > ... yields... > ... > ... return > } > > (you may only see the "return"). > > But that's okay, because PHP *does* see both, and it tells you "yield may not be used with return" in a lovely little parser error. S

Re: [PHP-DEV] Re: Generators in PHP

On 24/07/12 20:13, Alex Aulbach wrote: 2012/7/24 Gustavo Lopes : When you have function foo() { ... yield /* ... */; ... } and you call foo(), you get the same thing every time: a Generator object. It so happens that the implementation of that object is inside the body of the function. Hmmm. It

Re: [PHP-DEV] Re: Generators in PHP

2012/7/24 Gustavo Lopes : > When you have function foo() { ... yield /* ... */; ... } and > you call foo(), you get the same thing every time: a Generator object. It so > happens that the implementation of that object is inside the body of the > function. Hmmm. It's not that I didn't understand it

Re: [PHP-DEV] Re: Generators in PHP

2012/7/24 Andrew Faulds : > PHP is not LISP. Hey, I don't want to have LISP. I just want to make complicated things more clear, and it doesn't matter, if something else is right or wrong in the past. It isn't difficult to make a new keyword or something wich disticts it a little bit more for that

Re: [PHP-DEV] Re: Generators in PHP

Em Tue, 24 Jul 2012 19:56:46 +0200, Alex Aulbach escreveu: 2012/7/24 Andrew Faulds : Much easier to make an iterator with a function than as a class. 2012/7/24 Yahav Gindi Bar : I agree, implementing a class only for iterator may be pain sometimes, and functions is much better - especial

Re: [PHP-DEV] Re: Generators in PHP

On 24/07/12 19:32, Alex Aulbach wrote: 2012/7/24 Andrew Faulds : But PHP functions usually have side-effects, they aren't strict mathematical functions. Ah, you might mean str_tok()? Are there more, do you have a list? But we're in PHP-programming-context. You write a function in PHP, you call

Re: [PHP-DEV] Re: Generators in PHP

2012/7/24 Andrew Faulds : > But PHP functions usually have side-effects, they aren't strict mathematical > functions. Ah, you might mean str_tok()? Are there more, do you have a list? But we're in PHP-programming-context. You write a function in PHP, you call it and it will return once called. I

Re: [PHP-DEV] Re: Generators in PHP

On 24/07/12 19:06, Yahav Gindi Bar wrote: You could introduce new keyword for generator... even call it "generator" but why (its kind of "design" issue...)? if the syntax that one should use in order to implement the generator is just like a function, but using yield keyword in order to return

Re: [PHP-DEV] Re: Generators in PHP

You could introduce new keyword for generator... even call it "generator" but why (its kind of "design" issue...)? if the syntax that one should use in order to implement the generator is just like a function, but using yield keyword in order to return the items to store? As long as I know, mos

Re: [PHP-DEV] Re: Generators in PHP

On 24/07/12 18:56, Alex Aulbach wrote: 2012/7/24 Andrew Faulds : Much easier to make an iterator with a function than as a class. 2012/7/24 Yahav Gindi Bar : I agree, implementing a class only for iterator may be pain sometimes, and functions is much better - especially when 5.3 got the anony

Re: [PHP-DEV] Re: Generators in PHP

2012/7/24 Andrew Faulds : > Much easier to make an iterator with a function than as a class. 2012/7/24 Yahav Gindi Bar : > I agree, implementing a class only for iterator may be pain sometimes, and > functions is much better - especially when 5.3 got the anonymous functions, > so we can even use

Re: [PHP-DEV] Re: Generators in PHP

On 24 ביול 2012, at 20:35, Andrew Faulds wrote: > On 24/07/12 18:34, Alex Aulbach wrote: >> 2012/7/23 Sara Golemon : >>> Curious if you could expand on that. Generators are iterators, so not sure >>> what you're asking for. >> It's the point which is unlogical for me. Maybe it's a question. If >>

Re: [PHP-DEV] Re: Generators in PHP

On 24/07/12 18:34, Alex Aulbach wrote: 2012/7/23 Sara Golemon : Curious if you could expand on that. Generators are iterators, so not sure what you're asking for. It's the point which is unlogical for me. Maybe it's a question. If the generator is an object with the implementation of an iterat

Re: [PHP-DEV] Re: Generators in PHP

2012/7/23 Sara Golemon : > Curious if you could expand on that. Generators are iterators, so not sure > what you're asking for. It's the point which is unlogical for me. Maybe it's a question. If the generator is an object with the implementation of an iterator, why do we need to have it as _func

Re: [PHP-DEV] Re: Generators in PHP

> > > My first thought was how could someone reading the code see, that it > is a generator? > Somewhat snarky answer: By documenting the code in the first place. Yeah, I know, we all inherit other people's code and the other person never writes comments. I don't think this is as big of a proble

Re: [PHP-DEV] Re: Generators in PHP

2012/7/20 Nikita Popov : > On Tue, Jun 5, 2012 at 7:35 PM, Nikita Popov > wrote: >> Hi internals! >> The implementation is outlined in the RFC-stub here: >> https://wiki.php.net/rfc/generators > > A small progress update on this: > * Generators are now automatically detected by the presence of "

Re: [PHP-DEV] Re: Generators in PHP

On Sat, Jul 21, 2012 at 6:31 PM, Jared Williams wrote: > Can't yield a reference to an array item directly. > > Eg. > > function &map(array &$row) > { > yield $row[0]; > } Thanks, this is fixed now. > Also seems to be a problem with iterating > > foreach(map($row) as &$value) > > cannot be

RE: [PHP-DEV] Re: Generators in PHP

> -Original Message- > From: Nikita Popov [mailto:nikita@gmail.com] > Sent: 20 July 2012 21:46 > To: Nikita Popov > Cc: PHP internals > Subject: [PHP-DEV] Re: Generators in PHP > > On Tue, Jun 5, 2012 at 7:35 PM, Nikita Popov > wrote: > > Hi i

[PHP-DEV] Re: Generators in PHP

On Tue, Jun 5, 2012 at 7:35 PM, Nikita Popov wrote: > Hi internals! > > In the last few days I've created a proof of concept implementation > for generators in PHP. It's not yet complete, but the basic > functionality is there: > https://github.com/nikic/php-src/tree/addGeneratorsSupport > > The i