On Wed, 29 Aug 2012, Gustavo Lopes wrote:
> On Wed, 29 Aug 2012 22:10:52 +0200, Derick Rethans <der...@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
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