##
#define Inline_Stack_Return(x) XSRETURN(x)
####
void overload_add_eq(SV * obj, SV * addon, SV * third) {
dXSARGS;
Card* c = (Card *)SvIV(SvRV(obj));
c->value += SvIV(addon);
XPUSHs(obj);
}
####
void overload_add_eq(SV * obj, SV * addon, SV * third) {
dXSARGS;
Card* c = (Card *)SvIV(SvRV(obj));
c->value += SvIV(addon);
XPUSHs(obj);
XSRETURN(1);
}