Trait trust_dns_proto::serialize::binary::RestrictedMath

pub trait RestrictedMath {
    type Arg: 'static + Sized + Copy;
    type Value: 'static + Sized + Copy;

    fn checked_add(
        &self,
        arg: Self::Arg
    ) -> Result<Restrict<Self::Value>, Self::Arg>;
    fn checked_sub(
        &self,
        arg: Self::Arg
    ) -> Result<Restrict<Self::Value>, Self::Arg>;
    fn checked_mul(
        &self,
        arg: Self::Arg
    ) -> Result<Restrict<Self::Value>, Self::Arg>;
}

Common checked math operations for the Restrict type

Required Associated Types

type Arg: 'static + Sized + Copy

Argument for the math operations

type Value: 'static + Sized + Copy

Return value, generally the same as Arg

Required Methods

fn checked_add(&self, arg: Self::Arg) -> Result<Restrict<Self::Value>, Self::Arg>

Checked addition, see usize::checked_add

fn checked_sub(&self, arg: Self::Arg) -> Result<Restrict<Self::Value>, Self::Arg>

Checked subtraction, see usize::checked_sub

fn checked_mul(&self, arg: Self::Arg) -> Result<Restrict<Self::Value>, Self::Arg>

Checked multiplication, see usize::checked_mul

Implementations on Foreign Types

impl<R, A> RestrictedMath for Result<R, A> where
    R: RestrictedMath,
    A: 'static + Sized + Copy, 

type Arg = <R as RestrictedMath>::Arg

type Value = <R as RestrictedMath>::Value

fn checked_add(&self, arg: Self::Arg) -> Result<Restrict<Self::Value>, Self::Arg>

fn checked_sub(&self, arg: Self::Arg) -> Result<Restrict<Self::Value>, Self::Arg>

fn checked_mul(&self, arg: Self::Arg) -> Result<Restrict<Self::Value>, Self::Arg>

Implementors

impl RestrictedMath for Restrict<u8>

type Arg = u8

type Value = u8

impl RestrictedMath for Restrict<u16>

type Arg = u16

type Value = u16

impl RestrictedMath for Restrict<usize>

type Arg = usize

type Value = usize