A new version of Collections was added to project The Inbox:
http://source.squeak.org/inbox/Collections-fn.847.mcz

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

Name: Collections-fn.847
Author: fn
Time: 23 July 2019, 8:08:29.343315 pm
UUID: 8d7758f5-1062-41e6-8062-7f878c2063b0
Ancestors: Collections-mt.846

Remove redundant methods for copying from Character (following Chris' suggestion at http://forum.world.st/The-Trunk-Kernel-fn-1223-mcz-tp5098738p5098777.html).

=============== Diff against Collections-mt.846 ===============

Item was removed:
- ----- Method: Character>>copy (in category 'copying') -----
- copy
- 	"Answer the receiver, because Characters are unique."
- 	^self!

Item was removed:
- ----- Method: Character>>postCopy (in category 'copying') -----
- postCopy
- 	"I will never be copied"
- 	^self shouldNotImplement!

Item was changed:
  ----- Method: Collection>>fillFrom:with: (in category 'private') -----
  fillFrom: aCollection with: aBlock
  	"Evaluate aBlock with each of aCollections's elements as the argument.  
  	Collect the resulting values into self. Answer self."
  
+ 	aCollection do: [ :each |
- 	aCollection associationsDo: [ :each |
  		self add: (aBlock value: each) ]!

Item was added:
+ ----- Method: Dictionary>>fillFrom:with: (in category 'private') -----
+ fillFrom: aCollection with: aBlock
+ 	"Evaluate aBlock with each of aCollections's elements as the argument.  
+ 	Collect the resulting values into self. Answer self."
+ 
+ 	aCollection isDictionary
+ 		ifFalse:
+ 			[aCollection associationsDo:
+ 				[ :element | self add: (aBlock value: element)]]
+ 		ifTrue:
+ 			[aCollection keysAndValuesDo:
+ 				[ :key :value | self at: key put: (aBlock value: value)]]!

Item was removed:
- ----- Method: Dictionary>>histogramOf: (in category 'converting') -----
- histogramOf: aBlock
- 
- 	^ self collect: [:assoc | aBlock value: assoc value] as: Bag!