[erlang-questions] A style question

Jayson Vantuyl <>
Mon Feb 15 23:01:49 CET 2010


Oh, you can get links.  It's just that you need to know these things  
are there. The average person that dives into the docs doesn't always  
find these little corners.  There are qualities of good documentation  
beyond mere existence.

Sent from my iPhone

On Feb 15, 2010, at 5:19 AM, Robert Raschke <>  
wrote:

> I'm not sure where you get your documentation from, but ... getting  
> the
> below links took me about 10 minutes!
>
> On Mon, Feb 15, 2010 at 1:01 PM, Jayson Vantuyl <>  
> wrote:
>
>> While we're at it, there are tons of dusty corners that people miss.
>>
>> There's the occasionally useful but wholly unknown syntax for  
>> multiple
>> clauses in an anonymous fun:
>>
>> F = fun
>> (true) -> ok;
>> (false) -> failed
>> end.
>>
>> http://www.erlang.org/doc/reference_manual/expressions.html#id2272623
>
>
>
>> Or for that matter, using guards on anonymous funs (needed it once  
>> in an
>> unusual list comprehension).
>>
>> See same section above.
>
>
>
>> Or all of the oddness you can do with binary pattern matching:
>> <<Len:4/integer, Data:Len/binary>>.
>>
>>
> http://www.erlang.org/doc/reference_manual/expressions.html#id2272040
> and
> http://www.erlang.org/doc/programming_examples/bit_syntax.html
>
>
>
>> Or pattern matching using ++.  Or matchspecs in general.
>>
>
> http://www.erlang.org/doc/reference_manual/expressions.html#id2270161
> and
> http://www.erlang.org/doc/apps/erts/match_spec.html
>
>
>
>> Or the fiendishly undersupported bits like inet_res, binary  
>> comprehensions,
>> parse tranforms, parameterized modules, -extends, etc.
>>
>>
> Binary comprehensions:
> http://www.erlang.org/doc/reference_manual/expressions.html#id2273560
>
>
>
>> I like to believe that there will come a day that all of these  
>> things are
>> documented clearly. Until then, I guess we'll have to document  
>> these things
>> through cryptic rambling on the mailing list. :(
>>
>> Sent from my iPhone
>>
>>
>>


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