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bug#18224: bug-guile Digest, Vol 137, Issue 2

From: Daniel Llorens
Subject: bug#18224: bug-guile Digest, Vol 137, Issue 2
Date: Fri, 30 Oct 2015 17:15:21 +0100

 on master fixes printing of scm_tc7_array (shared array) to be #1(...) or 
#1typetag(...) so they aren't confused with actual vectors or bytevectors.

With respect to the lack of capability to create shared bytevectors, use the 
array procedures instead. If you need the arrays to be contiguous, you can 
check this at run time.

The fundamental distinction between shared arrays on one side and 
bytevectors/vectors/bitvectors on the other side is not of contiguity, rank, 
element type, etc. but that the latter types are containers, while the shared 
arrays are just views. That is why I don't think indirection fields should be 
added to the bytevectors, this would complicate the lookup functions and 
overlap in functionality with arrays.

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