Trait CheckedSub 

pub trait CheckedSub<Rhs = Self>
where
    Self: Sized,
{
    type Output;
    type Error;

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

Required Associated Types

type Output

type Error

Required Methods

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

Checked arithmetic subtraction from self

Errors

When the result of the subtraction can not be represented (e.g. due to an overflow).

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl CheckedSub for i64

type Output = i64

type Error = SubError<i64, i64>

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

impl CheckedSub for u32

type Output = u32

type Error = SubError<u32, u32>

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

Implementors