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<!doctype html>

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<title>CodeMirror: Erlang mode</title>

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<a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>

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<ul>

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<li><a href="../../doc/manual.html">Manual</a>

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</ul>

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<ul>

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<li><a href="../index.html">Language modes</a>

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<li><a class=active href="#">Erlang</a>

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</ul>

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</div>

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<h2>Erlang mode</h2>

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%% -*- mode: erlang; erlang-indent-level: 2 -*-

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%%% Created : 7 May 2012 by mats cronqvist <masse@klarna.com>

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%% @doc

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%% Demonstrates how to print a record.

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%% @end

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-module('ex').

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-author('mats cronqvist').

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-export([demo/0,

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rec_info/1]).

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-record(demo,{a="One",b="Two",c="Three",d="Four"}).

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rec_info(demo) -> record_info(fields,demo).

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demo() -> expand_recs(?MODULE,#demo{a="A",b="BB"}).

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expand_recs(M,List) when is_list(List) ->

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[expand_recs(M,L)||L<-List];

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expand_recs(M,Tup) when is_tuple(Tup) ->

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case tuple_size(Tup) of

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L when L < 1 -> Tup;

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L ->

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try

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Fields = M:rec_info(element(1,Tup)),

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L = length(Fields)+1,

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lists:zip(Fields,expand_recs(M,tl(tuple_to_list(Tup))))

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catch

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_:_ -> list_to_tuple(expand_recs(M,tuple_to_list(Tup)))

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end

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end;

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expand_recs(_,Term) ->

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Term.

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</textarea></form>

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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {

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lineNumbers: true,

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matchBrackets: true,

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extraKeys: {"Tab": "indentAuto"},

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theme: "erlang-dark"

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});

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</script>

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<p><strong>MIME types defined:</strong> <code>text/x-erlang</code>.</p>

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</article>

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