Template:Unique number
0
Returns some nonnegative decimal integer which is different from every previous invocation.
{{Unique number}} -> 1{{Unique number}} -> 2{{Unique number}} -> 3{{Unique number}} -> 4{{Unique number}} -> 5{{Unique number}} -> 6{{Unique number}} -> 7{{Unique number}} -> 8
Supply an empty argument to instead return the previous result, without updating the value:
{{Unique number|}} -> 8{{Unique number}} -> 9{{Unique number|}} -> 9{{Unique number|}} -> 9{{Unique number}} -> 10