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documentation for bitwise operators

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Vern Paxson 2018-04-26 16:22:17 -07:00
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doc/script-reference/types.rst
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@ -91,6 +91,10 @@ Here is a more detailed description of each type:
type, but a unary plus or minus applied to a "count" results in an type, but a unary plus or minus applied to a "count" results in an
"int". "int".
In addition, "count" types support bitwise operations. You can use
``&``, ``|``, and ``^`` for bitwise ``and'', ``or'', and ``xor''. You
can also use ``~`` for bitwise (one's) complement.
.. bro:type:: double .. bro:type:: double
A numeric type representing a double-precision floating-point A numeric type representing a double-precision floating-point
@ -592,6 +596,9 @@ Here is a more detailed description of each type:
The resulting vector of bool is the logical "and" (or logical "or") of The resulting vector of bool is the logical "and" (or logical "or") of
each element of the operand vectors. each element of the operand vectors.
Vectors of type ``count`` can also be operands for the bitwise and/or/xor
operators, ``&``, ``|`` and ``^``.
See the :bro:keyword:`for` statement for info on how to iterate over See the :bro:keyword:`for` statement for info on how to iterate over
the elements in a vector. the elements in a vector.