method i128.wrapping_sub

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

Example:

fn main() io {
  let max: i128 = 170141183460469231731687303715884105727
  let min: i128 = -170141183460469231731687303715884105728
  print("{min.wrapping_sub(1)}")
}

170141183460469231731687303715884105727

pub(api) fn wrapping_sub(o: i128) -> i128

Complexity. O(1).

Since. 1.0.0-beta

Parameters

Returns

i128

Effects

none declared (pure unless the body says otherwise)

Defined in: std/core/numbers.oxl:1834