[erlang-questions] How to use crypto:hmac_init() and friends?

[Sverker Eriksson]

On 11/19/2015 03:27 PM, Dmitry Belyaev wrote:
> Wouldn't it make sense to introduce a separate data type for these 
> custom data? Or even allow to define new custom types in nifs or 
> drivers with serialization and comparison rules.
> -- 
>

Yes, that would make sense.
Introducing a new data type in the language is quite a big operation though.

These empty magic binaries was sort of a last minute solution
to give NIF designers some way to return "safe pointers" to Erlang.


/Sverker, Erlang/OTP

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