Trait TryNeg

pub trait TryNeg {
    type Output;
    type Error;

    // Required method
    fn try_neg(self) -> Result<Self::Output, Self::Error>;
}

Checked negation operator which returns a Result to indicate success or failure.

Required Associated Types

type Output

type Error

Required Methods

fn try_neg(self) -> Result<Self::Output, Self::Error>

Implementations on Foreign Types

impl TryNeg for i8

type Output = i8

type Error = Overflow

fn try_neg(self) -> Result<i8, Overflow>

impl TryNeg for i16

type Output = i16

type Error = Overflow

fn try_neg(self) -> Result<i16, Overflow>

impl TryNeg for i32

type Output = i32

type Error = Overflow

fn try_neg(self) -> Result<i32, Overflow>

impl TryNeg for i64

type Output = i64

type Error = Overflow

fn try_neg(self) -> Result<i64, Overflow>

impl TryNeg for i128

type Output = i128

type Error = Overflow

fn try_neg(self) -> Result<i128, Overflow>

impl TryNeg for isize

type Output = isize

type Error = Overflow

fn try_neg(self) -> Result<isize, Overflow>

impl TryNeg for u8

type Output = u8

type Error = Underflow

fn try_neg(self) -> Result<u8, Underflow>

impl TryNeg for u16

type Output = u16

type Error = Underflow

fn try_neg(self) -> Result<u16, Underflow>

impl TryNeg for u32

type Output = u32

type Error = Underflow

fn try_neg(self) -> Result<u32, Underflow>

impl TryNeg for u64

type Output = u64

type Error = Underflow

fn try_neg(self) -> Result<u64, Underflow>

impl TryNeg for u128

type Output = u128

type Error = Underflow

fn try_neg(self) -> Result<u128, Underflow>

impl TryNeg for usize

type Output = usize

type Error = Underflow

fn try_neg(self) -> Result<usize, Underflow>

impl<'a> TryNeg for &'a i8

type Output = i8

type Error = <i8 as TryNeg>::Error

fn try_neg(self) -> Result<i8, Self::Error>

impl<'a> TryNeg for &'a i16

type Output = i16

type Error = <i16 as TryNeg>::Error

fn try_neg(self) -> Result<i16, Self::Error>

impl<'a> TryNeg for &'a i32

type Output = i32

type Error = <i32 as TryNeg>::Error

fn try_neg(self) -> Result<i32, Self::Error>

impl<'a> TryNeg for &'a i64

type Output = i64

type Error = <i64 as TryNeg>::Error

fn try_neg(self) -> Result<i64, Self::Error>

impl<'a> TryNeg for &'a i128

type Output = i128

type Error = <i128 as TryNeg>::Error

fn try_neg(self) -> Result<i128, Self::Error>

impl<'a> TryNeg for &'a isize

type Output = isize

type Error = <isize as TryNeg>::Error

fn try_neg(self) -> Result<isize, Self::Error>

impl<'a> TryNeg for &'a u8

type Output = u8

type Error = <u8 as TryNeg>::Error

fn try_neg(self) -> Result<u8, Self::Error>

impl<'a> TryNeg for &'a u16

type Output = u16

type Error = <u16 as TryNeg>::Error

fn try_neg(self) -> Result<u16, Self::Error>

impl<'a> TryNeg for &'a u32

type Output = u32

type Error = <u32 as TryNeg>::Error

fn try_neg(self) -> Result<u32, Self::Error>

impl<'a> TryNeg for &'a u64

type Output = u64

type Error = <u64 as TryNeg>::Error

fn try_neg(self) -> Result<u64, Self::Error>

impl<'a> TryNeg for &'a u128

type Output = u128

type Error = <u128 as TryNeg>::Error

fn try_neg(self) -> Result<u128, Self::Error>

impl<'a> TryNeg for &'a usize

type Output = usize

type Error = <usize as TryNeg>::Error

fn try_neg(self) -> Result<usize, Self::Error>

Implementors