A boolean object.
Answers a boolean being the receiver AND aBoolean
Answers a boolean being the receiver AND the value of aBlock if the receiver is true. The block is not evaluated if the receiver is false. The block must return a boolean.
Executes aBlock if the receiver is false. Answers the value of aBlock or Nil. No arguments are given to the block.
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.
Executes aBlock if the receiver is true. 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.
Answers a boolean being the receiver OR aBoolean
Answers a boolean being the receiver OR the value of aBlock if the receiver is false. The block is not evaluated if the receiver is true. The block must return a boolean.