Re: [VOTE] Generators

On Wed, 29 Aug 2012, Gustavo Lopes wrote: > On Wed, 29 Aug 2012 22:10:52 +0200, Derick Rethans <derick@php.net> wrote: > > > On Wed, 29 Aug 2012, Nikita Popov wrote: > > > > > > function &bind(array $keys, array &$row) > > > > { > > > > foreach($keys as $key) > > > > yield $key => $row[$key]; > > > > } > > > > > > > > $row = []; > > > > $it = bind(['a', 'b'], $row); > > > > > > > > foreach($it as $key => &$ref) > > > > echo $key; > > > > echo "\n"; > > > > foreach($it as $key => &$ref) > > > > echo $key; > > > > > > Thanks, this is now fixed. It'll throw an exception now, saying that > > > you can't traverse an already closed generator. > > > > Nothing in the core throws an exception, why would this?! > > This is not accurate. All the iterators throw exceptions on similar > situations. Generators are iterators, so I see no deviation from the > norm here. Nothing shows that they are. In any example I saw, I don't even see any OO syntax/functionality. For me, "yield" is a core syntax *keyword*, and hence: no exceptions. cheers, Derick -- http://derickrethans.nl | http://xdebug.org Like Xdebug? Consider a donation: http://xdebug.org/donate.php twitter: @derickr and @xdebug Posted with an email client that doesn't mangle email: alpine