Trait CheckedSub 

pub trait CheckedSub<Rhs = Self>: Sized {
    // Required method
    fn checked_sub(&self, rhs: &Rhs) -> CtOption<Self>;
}

Checked subtraction.

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.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl CheckedSub for Limb

impl<Rhs: AsRef<UintRef>> CheckedSub<Rhs> for BoxedUint

Available on crate feature alloc only.

impl<const LIMBS: usize> CheckedSub for Int<LIMBS>

impl<const LIMBS: usize> CheckedSub for Uint<LIMBS>