Increments the value of a variable by 1.
x++; // increment x by one and returns the old value of x ++x; // increment x by one and returns the new value of x
x: variable. Allowed data types:
long (possibly unsigned).
The original or newly incremented value of the variable.
x = 2; y = ++x; // x now contains 3, y contains 3 y = x++; // x contains 4, but y still contains 3
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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.