1.14.2 ByteArray: basic

= aCollection

Answer whether the receiver’s items match those in aCollection

indexOf: anElement startingAt: anIndex

Answer the first index > anIndex which contains anElement. Invoke exceptionBlock and answer its result if no item is found

indexOf: anElement startingAt: anIndex ifAbsent: exceptionBlock

Answer the first index > anIndex which contains anElement. Invoke exceptionBlock and answer its result if no item is found