[erlang-questions] The gen server simplified (how it works)

Ulf Wiger ulf.wiger@REDACTED
Thu Apr 21 17:06:03 CEST 2011

Personally, I like to use plain_fsm, so I don't have to worry about writing that boring code to handle system messages.


It doesn't force you to use the parse transformery and pseudo functions; you can e.g. use 


and simply have plain_fsm as a library for those system message handlers.

Ulf W

On 21 Apr 2011, at 16:32, Håkan Mattsson wrote:

> I tend to use proc_lib (spawn_link, start_link, init_ack) and sys
> (handle_system_msg) a lot. They gives you almost all the bells and
> whistles that gen_server has, but it enables you to have the same
> simple code structure that you have in your very pedagogic code
> snippet below.

Ulf Wiger, CTO, Erlang Solutions, Ltd.

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