TYPEMAP
CDB_TinyCDB *   T_CDB_TINYCDB

INPUT
T_CDB_TINYCDB
    if (
        sv_isobject($arg)
            &&
        (SvTYPE(SvRV($arg)) == SVt_PVMG)
            &&
        sv_derived_from( $arg, \"CDB::TinyCDB\")
    )
        $var = ($type)SvIV((SV*)SvRV( $arg ));
    else
        croak( \"${Package}::$func_name() -- $var is not a blessed SV reference\" );
 

OUTPUT
T_CDB_TINYCDB
        sv_setref_pv( $arg, CLASS, (void*)$var );
        SvREADONLY_on( SvRV( $arg ) );