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| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>CodeMirror: Erlang mode</title> | |
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| <body> | |
| <h1>CodeMirror: Erlang mode</h1> | |
| <form><textarea id="code" name="code"> | |
| %% -*- mode: erlang; erlang-indent-level: 2 -*- | |
| %%% Created : 7 May 2012 by mats cronqvist <[email protected]> | |
| %% @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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