Re: [Vala] Some problems with migration to Vala 0.3.1

[gege2061 <gege2061 redaction-developpez com>]

For nullable types, I understand, it's me the bug...

2008/4/24 gege2061 <gege2061 redaction-developpez com>:
> Hello,
>
>  I develop a project and I have some problems following the update of Vala.
>
>  First, with nullable types :
>
>   - I can't use null with string, for example :
>  --------------------------------------------------------------------------------
>  public static void add_child (string! filename, string! xpath, string! name,
>                                 string content=null)
>  --------------------------------------------------------------------------------
>
>  Makes a warning :
>  --------------------------------------------------------------------------------
>  warning: `null' incompatible with parameter type `string`
>  --------------------------------------------------------------------------------
>
>   - ! operator is deprected ? How force no-null parameter ?
>
>
>
>  Second, with length function :
>  --------------------------------------------------------------------------------
>  Xml.NodeSet* node = ...;
>
>  nodes->length ();
>  --------------------------------------------------------------------------------
>
>  is transformed to c code :
>  --------------------------------------------------------------------------------
>  xmlXPathNodeSetGetLength (((gpointer) nodes));
>  --------------------------------------------------------------------------------
>
>  but xmlXPathNodeSetGetLength is macro extend to :
>  --------------------------------------------------------------------------------
>   ((ns) ? (ns)->nodeNr : 0)
>  --------------------------------------------------------------------------------
>
>  Makes an error :
>  --------------------------------------------------------------------------------
>  warning: dereferencing 'void *' pointer
>  error: request for member 'nodeNr' in something not a structure or union
>  --------------------------------------------------------------------------------
>
>  Merci d'avance pour votre aide.
>  --
>  Nicolas Joseph
>
>  Responsable de la rubrique GTK+ de developpez.com
>
>  http://nicolasj.developpez.com



-- 
Nicolas Joseph

Responsable de la rubrique GTK+ de developpez.com

http://nicolasj.developpez.com