1.123.3 OrderedCollection: adding

add: anObject

Add anObject in the receiver, answer it

add: newObject after: oldObject

Add newObject in the receiver just after oldObject, answer it. Fail if oldObject can't be found

add: newObject afterIndex: i

Add newObject in the receiver just after the i-th, answer it. Fail if i < 0 or i > self size

add: newObject before: oldObject

Add newObject in the receiver just before oldObject, answer it. Fail if oldObject can't be found

add: newObject beforeIndex: i

Add newObject in the receiver just before the i-th, answer it. Fail if i < 1 or i > self size + 1

addAll: aCollection

Add every item of aCollection to the receiver, answer it

addAll: newCollection after: oldObject

Add every item of newCollection to the receiver just after oldObject, answer it. Fail if oldObject is not found

addAll: newCollection afterIndex: i

Add every item of newCollection to the receiver just after the i-th, answer it. Fail if i < 0 or i > self size

addAll: newCollection before: oldObject

Add every item of newCollection to the receiver just before oldObject, answer it. Fail if oldObject is not found

addAll: newCollection beforeIndex: i

Add every item of newCollection to the receiver just before the i-th, answer it. Fail if i < 1 or i > self size + 1

addAllFirst: aCollection

Add every item of newCollection to the receiver right at the start of the receiver. Answer aCollection

addAllLast: aCollection

Add every item of newCollection to the receiver right at the end of the receiver. Answer aCollection

addFirst: newObject

Add newObject to the receiver right at the start of the receiver. Answer newObject

addLast: newObject

Add newObject to the receiver right at the end of the receiver. Answer newObject