[erlang-questions] how to make beautifulll code of this working code

[Michael Nisi]

Could we do my homework too?



> On 10.08.2015, at 19:25, Garrett Smith <g@REDACTED> wrote:
> 
> Personally I find the Erlang docs excellent, so this:
> 
> http://erlang.org/doc/man/re.html#split-2
> 
> Roelof, I recommend that you spend some cycles reading these as a
> matter of course when you're using a function. The docs will help you
> get things right and you'll start to absorb some Erlang zen. The list
> is great to help after you've done that and still have questions.
> 
> This link provides an index, which might also be helpful for finding
> the right module and function in the first place:
> 
> http://erldocs.com
> 
>> On Mon, Aug 10, 2015 at 11:33 AM, Garry Hodgson <garry@REDACTED> wrote:
>> right, because re.split() returns a list of binaries ( <<"2012">> )
>> where string:tokens() returns a list of strings ( "2012" ).
>> 
>> so you either need to see if you can convince re:split() to
>> return strings, or you need to coerce its output values
>> from binaries to lists prior to converting those lists to integers.
>> 
>> 
>> 
>>> On 8/10/15 12:09 PM, Roelof Wobben wrote:
>>> 
>>> Op 10-8-2015 om 17:59 schreef Garry Hodgson:
>>>> 
>>>> date_parts(Date) ->
>>>>    [list_to_integer(N) || N <- string:tokens(Date,"-")].
>>> 
>>> 
>>> When testing I see this output:
>>> 
>>> 2> dates:date_parts("2012-02-02").
>>> ** exception error: bad argument in function list_to_integer/1 called as
>>> list_to_integer(<<"2012">>) in call from dates:'-date_parts/1-lc$^0/1-0-'/1
>>> (dates.erl, line 6)
>>> 
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