BatBoolSourceOperations on booleans
The type of booleans. Formally, this is defined as type t = true | false
The boolean negation.
The boolean ``and''. Evaluation is sequential, left-to-right: in e1 && e2, e1 is evaluated first, and if it returns false, e2 is not evaluated at all.
The boolean ``or''. Evaluation is sequential, left-to-right: in e1 || e2, e1 is evaluated first, and if it returns true, e2 is not evaluated at all.
anything but 0 is true
Convert the given string to a boolean.
0., nan +infinity and -infiity are false. The other values convert to true
Printing