[bind10-dev] UNUSED_PARAM macro

[Jelte Jansen]

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Hi,

I've just looked at ticket #115, the bulk its changeset is moving
UNUSED_PARAM from .h files to .cc files, and it might be worth a note here:

Don't put UNUSED_PARAM in header files (yes i've done this too, shame on
me).

This is a macro that depends on "config.h" and we don't want to include
that in our headers. So if you have a function that has an unused
parameter, always define the function in the cc file, even if the
function is trivial or essentially empty.

Jelte
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