Question
Which of the two operators ++ and - work for the bool datatype in C++?
Answer: Option B
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Due to history of using integer values as booleans, if an integer is used as a boolean, then incrementing
will mean that whatever its truth value before the operation, it will have a truth-value of true after it.
However, it’s not possible to predict the result of — given knowledge only of the truth value of x, as
it could result in false.
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