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<P><FONT SIZE=2>sorry, however, for the noize dear david,<BR>
<BR>
you need to declare that's a bitstring,<BR>
binaries is default and therefore the expected type,<BR>
so this will work 4 u:<BR>
<BR>
<< <<Bin/bitstring>> || Bin <- [<<3:5>>] >>.<BR>
<BR>
it's well explained in the documentation ('programming-examples/constructing binaries and bitstrings')..<BR>
<BR>
Cheers,<BR>
<BR>
Christoph Grasl<BR>
Embedded Software Entwickler<BR>
<BR>
KEYTRONIX<BR>
Gesellschaft für industrielle Elektronik und Informationstechnologie mbH<BR>
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Ungargasse 64-66/1/109<BR>
A-1030 WIEN<BR>
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E-Mail: c.grasl@keytronix.com<BR>
Tel.: +43 (1) 718 06 60 - 323<BR>
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<BR>
HG Wien FN 261131t<BR>
<BR>
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-----Ursprüngliche Nachricht-----<BR>
Von: David Mercer [<A HREF="mailto:dmercer@gmail.com">mailto:dmercer@gmail.com</A>]<BR>
Gesendet: Di 09.09.2008 17:52<BR>
An: Grasl Christoph; erlang-questions@erlang.org<BR>
Betreff: RE: [erlang-questions] Bit String Comprehension Question<BR>
<BR>
My question, however, is regarding bit string comprehension, not list<BR>
comprehension. Please advise. Thank-you.<BR>
<BR>
> -----Original Message-----<BR>
> From: Grasl Christoph [<A HREF="mailto:C.Grasl@keytronix.com">mailto:C.Grasl@keytronix.com</A>]<BR>
> Sent: Tuesday, September 09, 2008 09:55<BR>
> To: dmercer@alum.mit.edu; erlang-questions@erlang.org<BR>
> Subject: AW: [erlang-questions] Bit String Comprehension Question<BR>
><BR>
> Dear, David<BR>
><BR>
> [Bin || Bin <- [<<3:5>>] ].<BR>
><BR>
> works fine..<BR>
><BR>
> the syntactical notation for a list comprehension needs to be in '[' & ]'<BR>
> whereas you have used the binary/bitstring syntax to 'bracket' your<BR>
> comprehension<BR>
> together with the '||', which is typically a list-comp.<BR>
> could be mistaken, but it looks like u'r mixing up to notations..<BR>
><BR>
> Cheers,<BR>
><BR>
> Christoph Grasl<BR>
> Embedded Software Entwickler<BR>
><BR>
> KEYTRONIX<BR>
> Gesellschaft für industrielle Elektronik und Informationstechnologie mbH<BR>
><BR>
> Ungargasse 64-66/1/109<BR>
> A-1030 WIEN<BR>
><BR>
> E-Mail: c.grasl@keytronix.com<BR>
> Tel.: +43 (1) 718 06 60 - 323<BR>
> Mobil: +43 (664) 8556456<BR>
> WWW: <A HREF="http://www.keytronix.com">http://www.keytronix.com</A><BR>
><BR>
> HG Wien FN 261131t<BR>
><BR>
> Confidentiality Notice:<BR>
> This message may contain privileged and confidential information. If you<BR>
> think, for any reason, that this message may have been addressed to you in<BR>
> error, you must not disseminate, copy or take any action in reliance on<BR>
> it, and we would ask you to notify us immediately by return email.<BR>
><BR>
><BR>
><BR>
> -----Ursprüngliche Nachricht-----<BR>
> Von: erlang-questions-bounces@erlang.org im Auftrag von David Mercer<BR>
> Gesendet: Di 09.09.2008 16:18<BR>
> An: 'erlang-questions'<BR>
> Betreff: [erlang-questions] Bit String Comprehension Question<BR>
><BR>
> Why does the bit-string comprehension #133 below work whereas #134 is a<BR>
> syntax error?<BR>
><BR>
><BR>
><BR>
> 133> << <<X:N>> || {X,N} <- [{3,5}] >>.<BR>
><BR>
><BR>
> <<3:5>><BR>
><BR>
> 134> << Bin || Bin <- [<<3:5>>] >>.<BR>
><BR>
> * 1: syntax error before: '||'<BR>
><BR>
><BR>
><BR>
> Please advise. Thank-you.<BR>
><BR>
><BR>
><BR>
> David Mercer<BR>
><BR>
><BR>
><BR>
><BR>
><BR>
<BR>
<BR>
<BR>
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