[erlang-questions] calling func with predef params?

Wed Jul 2 12:53:39 CEST 2008

These are not predefined parameters. It is pattern matching inside
function parameters definition. After expansion of #req{} by
preprocessor it is equal to (assuming that record req has 3 fields,
because i don't know exact number):

{req, _, _, _} = Req

Take a look at manual:
http://www.erlang.org/doc/programming_examples/records.html#1.7

2008/7/2 not norwegian swede <notnorwegian@REDACTED>:
> how do i call do_get?
>
> -module(test_iserve_app).
> -export([do_get/2]).
> -include("iserve.hrl").
>
> do_get(#req{} = Req, Args) ->
>     {200, [], <<"<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01
> Transitional//EN\">
> <html>
> <head>
>   <title>Welcome to iserve</title>
> </head>
> <body>
>   Hello
> </body>
> </html>">>}.
>
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