A problem with records...

Gordon Guthrie, BTP, BT, SE <>
Fri Feb 13 18:12:19 CET 2004


Thanks to everyone for pointing out my Code Blindness... I had stared at
that for an hour and was completely unable to see the blindingly obvious...

Whenever I'm learning a new language I always spend too much time worrying
about what I don't know to remember what I know fine well...

Gordon

> -----Original Message-----
> From: Gerd Flaig [mailto:] 
> Sent: 13 February 2004 16:37
> To: Gordon Guthrie, BTP, BT, SE
> Cc: 
> Subject: Re: A problem with records...
> 
> 
> "Gordon Guthrie, BTP, BT, SE" <> writes:
> 
> > write_sms_message(PhoneNo, Message) ->
> >        Message = #sms_message_out{phonenumber = PhoneNo, message = 
> > Message},
> 
> Message is bound in the head. Matching the newly created 
> record against it fails. In your example: You match
> 
>     "esdfgjmn" = {sms_message_out,"234567","esdfgjmn"}
> 
> which is obviously a mismatch.
> 
>       Goodbyte, Gerd.
> 
> > % Bombs out here!
> >        (...)
> >
> > and I get this message:
> >
> > ERROR erlang  code  crashed:
> >  File: appmod:0
> > Reason: {{badmatch,{sms_message_out,"234567","esdfgjmn"}},
> >          [{smsout,write_sms_message,2},
> >           {smsout,out,1},
> >           {yaws_server,deliver_dyn_part,9},
> >           {yaws_server,aloop,3},
> >           {yaws_server,acceptor0,2},
> >           {proc_lib,init_p,5}]}
> > Req: {http_request,'POST',{abs_path,"/smsout/smsout_post"},{1,1}}
> 
> -- 
> Gerd Flaig                     Technik                
> Bei Schlund + Partner AG       Brauerstraße 48      D-76135 Karlsruhe
>  Physics is like sex: sure, it may give some practical 
> results,  but that's not why we do it. -- Richard Feynman
> 

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