Unchecked wraparound

Why use this example

Use this pattern to confirm Solidity arithmetic and unit behavior before putting the same expression into a contract. The entry isolates unchecked wraparound so its input, result, and state changes stay easy to compare.

Solidity to run

uint8 value = 255
unchecked {
  value++
}
value

What to expect

The uint8 wraps from 255 to 0 inside the unchecked block and the wrapped value appears inline.

Continue the investigation

Change a value, add another expression, or open Inspect after the run. Accepted entries remain available to the next entry, and the clean replay keeps the complete result reproducible.