I think this is very inconvenient: in perlapi, all blessing tools work with the scalar containing the referent, but not the thing being referenced, like the "sv_isobject" you mentioned above.
I'm asking about: whether there are tools work on the referent, other than the wrapping RV. Otherwise I have to create a temporary wrapper each time I need such operation, which seemingly not quite necessary: 


HV* my_thing = something->get_from_somewhere();

// test if my_thing is blessed
SV* tmp = newRV_noinc((SV*)my_thing);
if (sv_isobject(tmp)) {
    // blah blah blah
}
SvREFCNT_dec(tmp); // I hate that!!!

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In reply to Re^6: SV creation inside XS by llancet
in thread SV creation inside XS by llancet

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