method u8.saturating_sub

Subtraction that stops at the nearest bound of the type instead of panicking.

Example:

fn main() io {
  let max: u8 = 255
  let min: u8 = 0
  print("{min.saturating_sub(5)}")
}

0

pub(api) fn saturating_sub(o: u8) -> u8

Complexity. O(1).

Since. 1.0.0-beta

Parameters

Returns

u8

Effects

none declared (pure unless the body says otherwise)

Defined in: std/core/numbers.oxl:3155