[erlang-questions] List of strings problem
Raimo Niskanen
raimo+erlang-questions@REDACTED
Fri Jul 21 08:40:08 CEST 2017
On Thu, Jul 20, 2017 at 04:57:34PM -0700, Sam Overdorf wrote:
> Thanks for responding so quickly.
> I am using Windows7 could this be causing some of my odd behavior?
> Thanks,
> Sam
Nope. That should not matter.
Please re-do your example and cut-and-paste the result hera again, exactly
as Taras did, so there is no room for human error or interpretation...
f().
D = [ "sam1", "sam2" ].
[H|T] = D.
H.
[H2|T2] = T.
H2.
>
>
> On Thu, Jul 20, 2017 at 12:38 AM, PAILLEAU Eric
> <eric.pailleau@REDACTED> wrote:
> > Yes,
> > indeed it is the normal behaviour.
> > I suspect you do something like list flatten before so that
> > [H2|T2] = T.
> > is
> > [H2|T2] = [$s,$a,$m,$2] and you got "s".
> > the reason why I told you to do
> > [H2|T2] = [T].
> >
> > but minimal test is correct like Taras pointed.
> >
> > regards
> >
> > Le 20/07/2017 à 09:31, Taras Halturin a écrit :
> >>
> >> Just to be sure...
> >>
> >> Erlang/OTP 19 [erts-8.2.1] [source] [64-bit] [smp:4:4] [async-threads:10]
> >> [kernel-poll:false]
> >>
> >> Eshell V8.2.1 (abort with ^G)
> >> 1> D = [ "sam1", "sam2" ].
> >> ["sam1","sam2"]
> >> 2> [H|T] = D.
> >> ["sam1","sam2"]
> >> 3> [H2|T2] = T.
> >> ["sam2"]
> >> 4> T2.
> >> []
> >> 5> H2.
> >> "sam2"
> >> 6>
> >>
> >> It works as you expected.
> >>
> >> On Thu, Jul 20, 2017 at 10:00 AM, Éric Pailleau <eric.pailleau@REDACTED
> >> <mailto:eric.pailleau@REDACTED>> wrote:
> >>
> >> Hi,
> >> T is already sam2.
> >> Strings are list so try [H2|T2]=[T] ...
> >> Regards
> >>
> >> _______________________________________________
> >> erlang-questions mailing list
> >> erlang-questions@REDACTED <mailto:erlang-questions@REDACTED>
> >> http://erlang.org/mailman/listinfo/erlang-questions
> >> <http://erlang.org/mailman/listinfo/erlang-questions>
> >>
> >>
> >>
> >>
> >> --
> >> Best Regards.
> >> Taras Halturin
> >
> >
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--
/ Raimo Niskanen, Erlang/OTP, Ericsson AB
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