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perlapi: Document sv_dup(_inc)? #22291

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perlapi: Document sv_dup(_inc)? #22291

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14 changes: 14 additions & 0 deletions sv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14970,6 +14970,20 @@ S_sv_dup_common(pTHX_ const SV *const ssv, CLONE_PARAMS *const param)
return dsv;
}

/*
=for apidoc sv_dup
=for apidoc_item sv_dup_inc

In spite of their generic names, these are very specialized functions mainly
for use when cloning an interpreter instance.

They duplicate an SV of any type (not just a plain SV, but including AV, HV
I<etc>.), returning a pointer to the cloned object. The difference is that the
new SV under C<sv_dup> has a reference count of 0, but 1 under C<sv_dup_inc>.

=cut
*/

SV *
Perl_sv_dup_inc(pTHX_ const SV *const ssv, CLONE_PARAMS *const param)
{
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