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.. _arduino-while:
while Loops
===========
Description
-----------
**while** loops will loop continuously, and infinitely, until the
expression inside the parenthesis, () becomes false. Something must
change the tested variable, or the **while** loop will never exit.
This could be in your code, such as an incremented variable, or an
external condition, such as testing a sensor.
Syntax
------
::
while(expression){
// statement(s)
}
Parameters
----------
expression - a (boolean) C statement that evaluates to true or
false
Example
-------
::
var = 0;
while(var < 200){
// do something repetitive 200 times
var++;
}
.. include:: cc-attribution.txt
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