Re: Using SV as key in hash

[Fletch]

Gratuitous handwaving here since it's been ages since I mucked with XS, but . . .

I want to say that the keys to an HV are always stringified and kept as char*, not as SV*s. A good starting place might be to look at what Tie::RefHash does and then implement something similar in your XS (possibly something like keeping your own internal mapping of char* to original SV*).

[liz]

I want to say that the keys to an HV are always stringified and kept as char*, not as SV*s.
Well, that's just it. There is a provision in hv.c to actually have an SV as the key (rather than a char *). The HeSVKEY_set macro is supposed to be doing that.

A good starting place might be to look at what Tie::RefHash does
I'm afraid that Tie::RefHash doesn't have any XS component to obtain any inspiriation from ;-(

Liz