1.5.5 ArrayedCollection: enumerating the elements of a collection
collect: aBlock
Answer a new instance of an ArrayedCollection containing all the results
of evaluating aBlock passing each of the receiver's elements
reject: aBlock
Answer a new instance of an ArrayedCollection containing all the elements
in the receiver which, when passed to aBlock, answer false
select: aBlock
Answer a new instance of an ArrayedCollection containing all the elements
in the receiver which, when passed to aBlock, answer true
with: aSequenceableCollection collect: aBlock
Evaluate aBlock for each pair of elements took respectively from the re-
ceiver and from aSequenceableCollection; answer a collection of the same
kind of the receiver, made with the block's return values. Fail if the
receiver has not the same size as aSequenceableCollection.