method u64.wrapping_sub

Subtraction that wraps around at the bounds of the type instead of panicking.

Example:

oxl✓ checked in CI

fn main() io {
  let max: u64 = 18446744073709551615
  let min: u64 = 0
  print("{min.wrapping_sub(1)}")
}

Output

18446744073709551615

pub(api) fn wrapping_sub(o: u64) -> u64

Complexity. O(1).

Since. 1.0.0-beta

Parameters

Name	Type
`o`	`u64`

u64

none declared (pure unless the body says otherwise)

Defined in: std/core/numbers.oxl:2177