Reference for Wiring version 0027+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.
Name |
return |
Examples |
int val = 30;
void setup() {
Serial.begin(9600);
}
void loop() {
int t = timestwo(val);
Serial.println(t); // prints 60
}
int timestwo(int dVal) {
dVal = dVal * 2;
return dVal;
} |
Description |
Keyword used to indicate the value to return from a function. The value being returned must be the same datatype as defined in the function declaration. Functions declared with void can't return values and shouldn't include a return value. The keyword return may also be used to break out of a function thus not allowing the program to read the remaining statements (see the third example above). |
Syntax |
typefunction {
statements
return value
} |
Parameters |
type |
boolean, byte, char, int, float, String, boolean[], byte[], char[], int[], float[] |
function |
any function that is being defined |
statements |
any valid statements |
value |
must be the same datatype as the type parameter |
|
Usage |
Application |
Updated on September 16, 2010 09:16:47pm PDT