Eliot Miranda uploaded a new version of Collections to project The Trunk:
http://source.squeak.org/trunk/Collections-eem.1022.mcz

==================== Summary ====================

Name: Collections-eem.1022
Author: eem
Time: 21 November 2022, 9:26:32.233055 pm
UUID: 11b99e4c-0597-4f7d-b3bf-667ea9ad2edf
Ancestors: Collections-nice.1021

Fix PositionableStream>>#isBinary, which was implemented in terms of ByteArray, implemented using the new Collection>>isUnsignedIntegerArray.  Add Collection>>isSignedIntegerArray for symmetry.

=============== Diff against Collections-nice.1021 ===============

Item was added:
+ ----- Method: Collection>>isSignedIntegerArray (in category 'testing') -----
+ isSignedIntegerArray
+ 	^false!

Item was added:
+ ----- Method: Collection>>isUnsignedIntegerArray (in category 'testing') -----
+ isUnsignedIntegerArray
+ 	^false!

Item was changed:
  ----- Method: PositionableStream>>isBinary (in category 'testing') -----
  isBinary
+ 	"Answer if the receiver is a binary stream"
+ 	^collection isCollection and: [collection isUnsignedIntegerArray]!
- 	"Return true if the receiver is a binary byte stream"
- 	^collection class == ByteArray!

Item was added:
+ ----- Method: SignedIntegerArray>>isSignedIntegerArray (in category 'testing') -----
+ isSignedIntegerArray
+ 	^true!

Item was added:
+ ----- Method: UnsignedIntegerArray>>isUnsignedIntegerArray (in category 'testing') -----
+ isUnsignedIntegerArray
+ 	^true!