Stateful match specifications

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Stateful match specifications

Guilherme Andrade
Hi list,

I've recently wondered whether it would be useful (and feasible) to have support for 'stateful match specifications'; i.e., something along the lines of:

   ets:fun2ms(fun (Head, StateAcc) when Guards -> {Body, NewStateAcc} end, InitialState)

... as well as a corresponding extension to the raw match specifications format. These could then be optionally and transparently used in ets, tracing, etc.

What do you think? Perhaps the 'eeps' mailing list is a more appropriate place for making this proposal?

--
Guilherme

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