[erlang-questions] Re: Erlang/OTP R14B01 has been released

[Robert Virding]

*I* haven't tried them, I was just commenting that both of the examples Zvi showed, inside a fun and directly in the shell, were in fact run in the Erlang interpreter and should give the same results.

Robert

----- "Matthias Lang" <matthias@REDACTED> wrote:

> On Monday, December 13, Robert Virding wrote:
> 
> > In neither case are you running the compiler, both are handled by
> > the interpreter, erl_eval, so they should behave in the same way. I
> > would class this as a bug.
> 
> Interesting! Did you really try on R14B01? I get the same results for
> the interpreter and compiler, and I think they're both wrong in the
> same way.
> 
> Eshell V5.8.2  (abort with ^G)
> 1> c(virding).
> {ok,virding}
> 2> virding:f(kuku).
> <<>>
> 
> ~ >cat virding.erl 
> -module(virding).
> -export([f/1]).
> 
> f(A) -> <<A:0>>.
> 
> Matt
> 
> > ----- "Zvi" <zvi.avraham@REDACTED> wrote:
> > 
> > > RE: OTP-8865  Code such as foo(A) -> <<A:0>> would crash the
> > > compiler.
> > > 
> > > It seems that compiler will totally ignore type of A in this
> case:
> > > 
> > > Eshell V5.8.2  (abort with ^G)
> > > 1> F = fun(A) -> <<A:0>> end.
> > > #Fun<erl_eval.6.13229925>
> > > 2>
> > > 2> F(0).
> > > <<>>
> > > 3> F(1).
> > > <<>>
> > > 4> F(10000).
> > > <<>>
> > > 5> F(1.4).
> > > <<>>
> > > 6> F(add).
> > > <<>>
> > > 7> F(kuku).
> > > <<>>
> > > 8>
> > > 8> F("adfd").
> > > <<>>
> > > 9>
> > > 9> F({1,2}).
> > > <<>>
> > > 10>
> > > 
> > > same for:
> > > 
> > > Eshell V5.8.2  (abort with ^G)
> > > 1>
> > > 1>
> > > 1> A = 0.
> > > 0
> > > 2> <<A:0>>.
> > > <<>>
> > > 3>
> > > 3> <<({1,2,3}):0>>.
> > > <<>>
> > > 4> <<([1,2,3]):0>>.
> > > <<>>
> > > 5> <<"hello":0>>.
> > > ** exception error: bad argument
> > > 6> <<("hello"):0>>.
> > > ** exception error: bad argument
> > > 7> <<1.6:0>>.
> > > <<>>
> > > 8> <<(fun()-> ok end):0>>.
> > > <<>>
> > > 9> <<(self()):0>>.
> > > <<>>
> > > 1
> > > 
> > > Zvi
> > > On Dec 8, 4:49 pm, Kenneth Lundin <kenneth.lun...@REDACTED>
> wrote:
> > > > Erlang/OTP R14B01 has been released.
> > > >
> > > > This release is mainly a stabilization of the R14B01 release
> (but
> > > there are
> > > > some new functionality as well).
> > > >
> > > > You can find the README file for the release at
> > > >
> > > > http://www.erlang.org/download/otp_src_R14B01.readme
> > > >
> > > > The source distribution and binary distribution for Windows can
> be
> > > > downloaded from
> > > >
> > > >
> > >
> http://www.erlang.org/download/otp_src_R14B01.tar.gzhttp://www.erlang.org/download/otp_win32_R14B01.exe
> > > >
> > > > The distribution can also be downloaded using the BitTorrent
> > > > protocol. Use the following torrent files to download the
> source
> > > > distribution and binary distribution for Windows:
> > > >
> > > >
> > >
> http://www.erlang.org/download/otp_src_R14B01.tar.gz.torrenthttp://www.erlang.org/download/otp_win32_R14B01.exe.torrent
> > > >
> > > > Note: To unpack the TAR archive you need a GNU TAR compatible
> > > program.
> > > >
> > > > For installation instructions please read the README file that
> is
> > > part
> > > > of the distribution.
> > > >
> > > > The on-line documentation can be found
> > > at:http://www.erlang.org/doc/
> > > > You can also download the complete HTML documentation or the
> Unix
> > > manual files
> > > >
> > > >
> > >
> http://www.erlang.org/download/otp_doc_html_R14B01.tar.gzhttp://www.erlang.org/download/otp_doc_man_R14B01.tar.gz
> > > >
> > > > We also want to thank those that sent us patches, suggestions
> and
> > > bug
> > > > reports,
> > > >
> > > > The Erlang/OTP Team
> > > > Kenneth Lundin, Erlang/OTP, Ericsson AB
> > > >
> > > >
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