Nope, it can't be called recursively :(

среда, 10 сентября 2014 г., 14:04:37 UTC+3 пользователь Vladimir Melnik 
написал:
>
> Alas, it didn't bring me any luck.
> Okay, begin/end-block is a nice thing too, will use it.
> Hope it can work recursively...
>
> среда, 10 сентября 2014 г., 13:43:25 UTC+3 пользователь vitas написал:
>>
>> On 09/10/2014 12:36 PM, vitas wrote: 
>> > Hi, 
>> > 
>> >> % layout 'default'; 
>> >> <div class="container"> 
>> >>    <h1>Make yourself at home, <%= $self->session('user_email') 
>> %>!</h1> 
>> >> % expand_tree($service_tree); 
>> >  > .. 
>> > 
>> > Try: 
>> > 
>> > %=  expand_tree($service_tree) 
>>
>> And, dirty hack: 
>>
>> % sub expand_tree { begin 
>>    <pre>DEBUG</pre> 
>> %   my $node = shift; 
>> %   foreach my $node_type (keys(%{ $node })) { 
>>    <div class="<%= $node_type %>"> 
>>      <h2><%= $node_type.'s' %></h2> 
>>      <ul> 
>> %     foreach my $child (keys(%{ $node->{$node_type} })) { 
>>        <li><%= $child %></li> 
>> %     } 
>>      </ul> 
>>    </div> 
>> %   } 
>> % end -> (@_) } 
>>
>> vitas 
>>    @;; 
>>
>

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