[Gtk2-perl-bugs] [Bug 629727] New: CellLayout get_cells() empty list not undef

[gnome-perl (bugzilla.gnome.o. <bug...@gn...>]

https://bugzilla.gnome.org/show_bug.cgi?id=629727
  gnome-perl | Gtk2 | unspecified

           Summary: CellLayout get_cells() empty list not undef
    Classification: Bindings
           Product: gnome-perl
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: Gtk2
        AssignedTo: gtk...@li...
        ReportedBy: us...@zi...
         QAContact: gtk...@li...
      GNOME target: ---
     GNOME version: ---


Created an attachment (id=170309)
 View: https://bugzilla.gnome.org/attachment.cgi?id=170309
 Review: https://bugzilla.gnome.org/review?bug=629727&attachment=170309

patch and test case

When a CellLayout interfaced widget has no renderers I think get_cells() should
return an empty list, not an undef.  An undef return is rather inconvenient if
doing a foreach ($viewer->get_cells).  Perhaps per attached.

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