Following are the bitwise operators available in Erlang.
| Sr.No. | Operator & Description |
|---|---|
| 1 | band This is the bitwise “and” operator |
| 2 | bor This is the bitwise “or” operator |
| 3 | bxor This is the bitwise “xor” or Exclusive or operator |
| 4 | not This is the bitwise negation operator |
Following is the truth table showcasing these operators −
| p | q | p & q | p | q | p ^ q |
|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 |
| 0 | 1 | 0 | 1 | 1 |
| 1 | 1 | 1 | 1 | 0 |
| 1 | 0 | 0 | 1 | 1 |
The following code snippet shows how the various operators can be used.
Example
-module(helloworld).
-export([start/0]).
start() ->
io:fwrite("~w~n",[00111100 band 00001101]),
io:fwrite("~w~n",[00111100 bxor 00111100]),
io:fwrite("~w~n",[bnot 00111100]),
io:fwrite("~w~n",[00111100 bor 00111100]).
The output of the above program will be −
Output
76 0 -111101 111100
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