Return undef for argumens with no type information
Return undef for argumens with no type information

zpmorgan/gi,zpmorgan/gi,GNOME/perl-Glib-Object-Introspection,GNOME/perl-Glib-Object-Introspection,cpanxaoc/perl-Glib-Object-Introspection,potyl/perl-Glib-Object-Introspection,cpanxaoc/perl-Glib-Object-Introspection,potyl/perl-Glib-Object-Introspection