Trait TrySub 

pub trait TrySub<RHS = Self> {
    type Output;
    type Err;

    // Required method
    fn try_sub(self, rhs: RHS) -> Result<Self::Output, Self::Err>;
}

Fallible subtraction trait.

Required Associated Types

type Output

type Err

Required Methods

fn try_sub(self, rhs: RHS) -> Result<Self::Output, Self::Err>

Implementations on Foreign Types

impl TrySub for i8

type Output = i8

type Err = IntRangeError

fn try_sub(self, rhs: i8) -> Result<i8, IntRangeError>

impl TrySub for i16

type Output = i16

type Err = IntRangeError

fn try_sub(self, rhs: i16) -> Result<i16, IntRangeError>

impl TrySub for i32

type Output = i32

type Err = IntRangeError

fn try_sub(self, rhs: i32) -> Result<i32, IntRangeError>

impl TrySub for i64

type Output = i64

type Err = IntRangeError

fn try_sub(self, rhs: i64) -> Result<i64, IntRangeError>

impl TrySub for isize

type Output = isize

type Err = IntRangeError

fn try_sub(self, rhs: isize) -> Result<isize, IntRangeError>

impl TrySub for u8

type Output = u8

type Err = IntUnderflow

fn try_sub(self, rhs: u8) -> Result<u8, IntUnderflow>

impl TrySub for u16

type Output = u16

type Err = IntUnderflow

fn try_sub(self, rhs: u16) -> Result<u16, IntUnderflow>

impl TrySub for u32

type Output = u32

type Err = IntUnderflow

fn try_sub(self, rhs: u32) -> Result<u32, IntUnderflow>

impl TrySub for u64

type Output = u64

type Err = IntUnderflow

fn try_sub(self, rhs: u64) -> Result<u64, IntUnderflow>

impl TrySub for usize

type Output = usize

type Err = IntUnderflow

fn try_sub(self, rhs: usize) -> Result<usize, IntUnderflow>

Implementors