Description
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
Terminate a function and return a value from a function to the calling function, if desired.
return;
return value; // both forms are valid
value
: any variable or constant type
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
}
LANGUAGE break
LANGUAGE continue
LANGUAGE do...while
LANGUAGE else
LANGUAGE for
LANGUAGE goto
LANGUAGE if
LANGUAGE switch...case
LANGUAGE while