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<article><h2>Erlang mode</h2><form><textarea id="code" name="code">%% -*- mode: erlang; erlang-indent-level: 2 -*-%%% Created : 7 May 2012 by mats cronqvist <masse@klarna.com>
%% @doc%% Demonstrates how to print a record.%% @end
-module('ex').-author('mats cronqvist').-export([demo/0, rec_info/1]).
-record(demo,{a="One",b="Two",c="Three",d="Four"}).
rec_info(demo) -> record_info(fields,demo).
demo() -> expand_recs(?MODULE,#demo{a="A",b="BB"}).
expand_recs(M,List) when is_list(List) -> [expand_recs(M,L)||L<-List];expand_recs(M,Tup) when is_tuple(Tup) -> case tuple_size(Tup) of L when L < 1 -> Tup; L -> try Fields = M:rec_info(element(1,Tup)), L = length(Fields)+1, lists:zip(Fields,expand_recs(M,tl(tuple_to_list(Tup)))) catch _:_ -> list_to_tuple(expand_recs(M,tuple_to_list(Tup))) end end;expand_recs(_,Term) -> Term.</textarea></form>
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<p><strong>MIME types defined:</strong> <code>text/x-erlang</code>.</p> </article>
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