|
|
|
6.7 Bag
- Defined in namespace Smalltalk
- Category: Collections-Unordered
- My instances are unordered collections of objects. You can think
of me as a set with a memory; that is, if the same object is added to me
twice, then I will report that that element has been stored twice.
6.7.1 Bag class: basic
- new
- Answer a new instance of the receiver
- new: size
- Answer a new instance of the receiver, with space for size distinct objects
6.7.2 Bag: Adding to a collection
- add: newObject
- Add an occurrence of newObject to the receiver. Answer newObject
- add: newObject withOccurrences: anInteger
- If anInteger > 0, add anInteger occurrences of newObject to the receiver. If anInteger < 0, remove them. Answer newObject
6.7.3 Bag: enumerating the elements of a collection
- asSet
- Answer a set with the elements of the receiver
- do: aBlock
- Evaluate the block for all members in the collection.
6.7.4 Bag: extracting items
- sortedByCount
- Answer a collection of counts with elements, sorted by decreasing count.
6.7.5 Bag: printing
- printOn: aStream
- Put on aStream a representation of the receiver
6.7.6 Bag: Removing from a collection
- remove: oldObject ifAbsent: anExceptionBlock
- Remove oldObject from the collection and return it. If can't be found, answer instead the result of evaluationg anExceptionBlock
6.7.7 Bag: storing
- storeOn: aStream
- Put on aStream some Smalltalk code compiling to the receiver
6.7.8 Bag: testing collections
- = aBag
- Answer whether the receiver and aBag contain the same objects
- hash
- Answer an hash value for the receiver
- includes: anObject
- Answer whether we include anObject
- occurrencesOf: anObject
- Answer the number of occurrences of anObject found in the receiver
- size
- Answer the total number of objects found in the receiver
|
