CAS(1)
======
:doctype: manpage


NAME
----
cas - performs 'compare-and-swap' operations on strong counters.


SYNOPSIS
--------
*cas* ['OPTIONS'] ['COUNTER_NAME']


OPTIONS
-------
*--expect*='nnn'::
Specifies the expected value of the counter.

*--value*='nnn'::
Sets a new value for the counter.

*-q, --quiet*='[true|false]'::
Hides return values. The default is false.


EXAMPLE
-------
`cas --expect=10 --value=20 cnt_a` +
Sets the value of `cnt_a` to `20` only if the current value is `10`


SEE ALSO
--------
add(1), cas(1), reset(1)
