This is a convenient shorthand to perform addition on a variable with another constant or variable.
x += y; // equivalent to the expression x = x + y;
x: variable. Allowed data types:
y: variable or constant. Allowed data types:
x = 2; x += 4; // x now contains 6
- [Language] Normal Addition
Language Reference Home
The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.