September 2013
Intermediate to advanced
548 pages
12h 25m
English
Content preview from Programming Erlang, 2nd Edition
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Boolean Expressions
There are four possible boolean expressions.
-
not B1: Logical not -
B1 and B2: Logical and -
B1 or B2: Logical or -
B1 xor B2: Logical xor
In all of these, B1 and B2 must be boolean literals
or expressions that evaluate to booleans. Here are some examples:
| | 1> not true. |
| | false |
| | 2> true and false. |
| | false |
| | 3> true or false. |
| | true |
| | 4> (2 > 1) or (3 > 4). |
| | true |
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