[erlang-patches] Add lists:find/2,3

[Serge Aleynikov]

Sorry, a couple of typos in my previous example:


> update_table(Table,
> 
> Key,
> 
> FieldName,
> 
> Value) ->
>   Attrs = mnesia:table_info(Table, attributes),
>   {ok, Pos} = index_of(FieldName, Attrs),
>   R = mnesia:dirty_read(Table, Key),
>   R1 = setelement(Pos, R, Value),
>   ok = mnesia:dirty_write(Table, R1).
>
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