#Typemap used from perlxs manpage

TYPEMAP
ipuniq *		O_OBJECT
string			T_STDSTRING

OUTPUT
# The Perl object is blessed into 'CLASS', which should be a
# char* having the name of the package for the blessing.
O_OBJECT
	sv_setref_pv( $arg, CLASS, (void*)$var );

T_STDSTRING
	sv_setpvn($arg, $var.c_str(), $var.length());

INPUT
O_OBJECT
	if( sv_isobject($arg) && (SvTYPE(SvRV($arg)) == SVt_PVMG) )
		$var = ($type)SvIV((SV*)SvRV( $arg ));
	else{
		warn( \"${Package}::$func_name() -- $var is not a blessed SV reference\" );
		XSRETURN_UNDEF;
	}

T_STDSTRING
	(void) SvPV_nolen($arg);
	$var(SvPV_nolen($arg),SvCUR($arg))