Trait fixnum::ops::CheckedAdd

pub trait CheckedAdd<Rhs = Self> {
    type Output;
    type Error;
    pub fn cadd(self, rhs: Rhs) -> Result<Self::Output, Self::Error>;
}

Associated Types

type Output

type Error

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Required methods

pub fn cadd(self, rhs: Rhs) -> Result<Self::Output, Self::Error>

Checked addition. Returns Err on overflow.

use fixnum::{FixedPoint, typenum::U9, ops::CheckedAdd};

type Amount = FixedPoint<i64, U9>;

fn amount(s: &str) -> Amount { s.parse().unwrap() }

assert_eq!(amount("0.1").cadd(amount("0.2"))?, amount("0.3"));

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Implementations on Foreign Types

impl CheckedAdd<i8> for i8

type Output = i8

type Error = ArithmeticError

pub fn cadd(self, rhs: Self) -> Result<Self::Output, Self::Error>

impl CheckedAdd<i16> for i16

type Output = i16

type Error = ArithmeticError

pub fn cadd(self, rhs: Self) -> Result<Self::Output, Self::Error>

impl CheckedAdd<i32> for i32

type Output = i32

type Error = ArithmeticError

pub fn cadd(self, rhs: Self) -> Result<Self::Output, Self::Error>

impl CheckedAdd<i64> for i64

type Output = i64

type Error = ArithmeticError

pub fn cadd(self, rhs: Self) -> Result<Self::Output, Self::Error>

impl CheckedAdd<i128> for i128

type Output = i128

type Error = ArithmeticError

pub fn cadd(self, rhs: Self) -> Result<Self::Output, Self::Error>

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Implementors

impl<P: Precision> CheckedAdd<FixedPoint<i16, P>> for FixedPoint<i16, P>

type Output = FixedPoint<i16, P>

type Error = ArithmeticError

pub fn cadd(
    self,
    rhs: FixedPoint<i16, P>
) -> Result<FixedPoint<i16, P>, ArithmeticError>

impl<P: Precision> CheckedAdd<FixedPoint<i32, P>> for FixedPoint<i32, P>

type Output = FixedPoint<i32, P>

type Error = ArithmeticError

pub fn cadd(
    self,
    rhs: FixedPoint<i32, P>
) -> Result<FixedPoint<i32, P>, ArithmeticError>

impl<P: Precision> CheckedAdd<FixedPoint<i64, P>> for FixedPoint<i64, P>

type Output = FixedPoint<i64, P>

type Error = ArithmeticError

pub fn cadd(
    self,
    rhs: FixedPoint<i64, P>
) -> Result<FixedPoint<i64, P>, ArithmeticError>

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