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 | null |
---|---|
Examples | char str[] = "some characters"; if( str != null) { Serial.println("Array is not null"); // Prints 'Array is not null' } |
Description | Special value used to signify the target is not a valid data element. In Wiring, you may run across the keyword null when trying to access data which is not there. It can also be used as NULL. |
Syntax | null NULL |
Usage | Application |