[Libguestfs] [nbdkit PATCH 0/2] bind .zero to more languages

[Richard W.M. Jones]

On Mon, Jan 23, 2017 at 09:13:23PM -0600, Eric Blake wrote:
> Begin the language binding followups to my new .zero callback, since
> Rich was indeed correct that we want them.
> 
> I'm more familiar with python and perl (at least to the point that
> I was able to modify the appropriate example files and prove to
> myself that the bindings worked), so I've started with those.
> I'm less familiar with ruby and ocaml, so I've left those for
> tomorrow (it will rely heavily on copy-and-paste); it is also a
> chance to review if my decision of requiring a return value in
> order to trigger the graceful fallback is the best approach.

The other methods (eg. trim) deal with this by having a separate
method called "can_*" (eg. can_trim).  Can we have a can_zero callback
instead?

Rich.

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