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-.. _arduino-return:
-
-return
-======
-
-Terminate a function and return a value from a function to the
-calling function, if desired.
-
-
-
-Syntax:
--------
-
-return;
-
-
-
-return value; // both forms are valid
-
-
-
-Parameters
-----------
-
-value: any variable or constant type
-
-
-
-Examples:
----------
-
-A function to compare a sensor input to a threshold
-
-::
-
- int checkSensor(){
- if (analogRead(0) > 400) {
- return 1;
- else{
- return 0;
- }
- }
-
-
-
-The return keyword is handy to test a section of code without
-having to "comment out" large sections of possibly buggy code.
-
-
-
-::
-
- void loop(){
-
- // brilliant code idea to test here
-
- return;
-
- // the rest of a dysfunctional sketch here
- // this code will never be executed
- }
-
-
-
-See also
---------
-
-`comments <http://arduino.cc/en/Reference/Comments>`_
-