A boolean object.
Answers a boolean being the receiver AND aBoolean
Answers a boolean being the receiver OR aBoolean
Executes aBlock if the receiver is true. Answers the value of aBlock or Nil. No arguments are given to the block.
Executes aBlock if the receiver is false. Answers the value of aBlock or Nil. No arguments are given to the block.
Executes aBlockTrue if the receiver is true otherwise aBlockFalse is executed. Answers the return value of the block that is executed. No arguments are given to the block to be executed.
Executes aBlockFalse if the receiver is false otherwise aBlockTrue is executed. Answers the return value of the block that is executed. No arguments are given to the block to be executed.