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<H1>[99s-extend] cowboy_http_handler type spec</H1>
<B>rambocoder</B>
<A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20cowboy_http_handler%20type%20spec&In-Reply-To=%3CCAJ0zLROkOMkqD7Mcv-JtSb7tyTWsra4NW-O-KGzBsLmOE3%3Dgig%40mail.gmail.com%3E"
TITLE="[99s-extend] cowboy_http_handler type spec">erlang at rambocoder.com
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<I>Wed Oct 31 00:38:40 CET 2012</I>
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<PRE>Hi everyone, newb questions here:
Is the reason why the type specification for the init callback lists
various "{loop,..." tuples, because a single module can implement
cowboy_loop_handler and cowboy_http_handler?
And this way, a dializier warning will not be triggered?
<A HREF="https://github.com/extend/cowboy/blob/master/src/cowboy_http_handler.erl#L39">https://github.com/extend/cowboy/blob/master/src/cowboy_http_handler.erl#L39</A>
Because looking at the handler code,
<A HREF="https://github.com/extend/cowboy/blob/master/src/cowboy_protocol.erl#L473">https://github.com/extend/cowboy/blob/master/src/cowboy_protocol.erl#L473</A> if
the {loop, * is returned from init, then the handle(Req, State) will not be
processed.
Also, is it safe to say that Handler:init is like "before" in lot's of web
frameworks. I can place validation\authentication logic there.
Sincerely,
-rambocoder
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