method i8.wrapping_sub

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

Example:

fn main() io {
  let max: i8 = 127
  let min: i8 = -128
  print("{min.wrapping_sub(1)}")
}

127

pub(api) fn wrapping_sub(o: i8) -> i8

Complexity. O(1).

Since. 1.0.0-beta

Parameters

Returns

i8

Effects

none declared (pure unless the body says otherwise)

Defined in: std/core/numbers.oxl:1148