Trait crypto_bigint::prelude::CheckedSub

pub trait CheckedSub<Rhs = Self>: Sized {
    type Output;

    // Required method
    fn checked_sub(&self, rhs: Rhs) -> CtOption<Self>;
}

Checked substraction.

Required Associated Types

type Output

Output type.

Required Methods

fn checked_sub(&self, rhs: Rhs) -> CtOption<Self>

Perform checked subtraction, returning a CtOption which is_some only if the operation did not underflow.

Implementors

impl CheckedSub<Limb> for Limb

type Output = Limb

impl<const LIMBS: usize> CheckedSub<&UInt<LIMBS>> for UInt<LIMBS>

type Output = UInt<LIMBS>