Re: [Scheme-reports] some questions on byte vectors + ports Aubrey Jaffer 27 Jun 2012 21:10 UTC

 | Date: Wed, 27 Jun 2012 10:04:21 -0700
 | From: Alex Shinn <alexshinn@gmail.com>
 |
 | On Wed, Jun 27, 2012 at 9:52 AM, Aubrey Jaffer <agj@alum.mit.edu> wrote:
 | >  | From: Wolfgang De Meuter <wdmeuter@vub.ac.be>
 | >  | Date: Wed, 27 Jun 2012 14:06:41 +0200
 | >  |
 | >  | ...
 | >  | to me, byte vectors are pretty useless if you don't have a minimal
 | >  | amount of comfort for encoding/decoding data types.  And, given the
 | >  | fact that you no longer support this comfort, is there sufficient
 | >  | support to break down/ build up Scheme data types (integers,
 | >  | float,…) into / from raw bytes ? I.e., can I convert an integer or
 | >  | a float to a byte vector?
 | >
 | > SLIB provides R4RS/R5RS Scheme code to accomplish these conversions in
 | > a way which is unaffected by host byte-order.  See:
 | > <http://people.csail.mit.edu/jaffer/slib/Byte_002fNumber-Conversions.html#Byte_002fNumber-Conversions>
 |
 | Note this is not truly portable in R4/R5 - you do need read-u8
 | and write-u8 provided by R6/R7.

The SLIB conversions between numbers and byte-vectors do not require
read-u8 or write-u8.

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