Trait num_traits::ops::euclid::CheckedEuclid

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pub trait CheckedEuclid: Euclid {
    // Required methods
    fn checked_div_euclid(&self, v: &Self) -> Option<Self>;
    fn checked_rem_euclid(&self, v: &Self) -> Option<Self>;

    // Provided method
    fn checked_div_rem_euclid(&self, v: &Self) -> Option<(Self, Self)> { ... }
}

Required Methods§

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fn checked_div_euclid(&self, v: &Self) -> Option<Self>

Performs euclid division that returns None instead of panicking on division by zero and instead of wrapping around on underflow and overflow.

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fn checked_rem_euclid(&self, v: &Self) -> Option<Self>

Finds the euclid remainder of dividing two numbers, checking for underflow, overflow and division by zero. If any of that happens, None is returned.

Provided Methods§

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fn checked_div_rem_euclid(&self, v: &Self) -> Option<(Self, Self)>

Returns both the quotient and remainder from checked Euclidean division.

By default, it internally calls both CheckedEuclid::checked_div_euclid and CheckedEuclid::checked_rem_euclid, but it can be overridden in order to implement some optimization.

§Examples
let x = 5u8;
let y = 3u8;

let div = CheckedEuclid::checked_div_euclid(&x, &y);
let rem = CheckedEuclid::checked_rem_euclid(&x, &y);

assert_eq!(Some((div.unwrap(), rem.unwrap())), CheckedEuclid::checked_div_rem_euclid(&x, &y));

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl CheckedEuclid for i8

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fn checked_div_euclid(&self, v: &i8) -> Option<Self>

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fn checked_rem_euclid(&self, v: &i8) -> Option<Self>

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impl CheckedEuclid for i16

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fn checked_div_euclid(&self, v: &i16) -> Option<Self>

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fn checked_rem_euclid(&self, v: &i16) -> Option<Self>

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impl CheckedEuclid for i32

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fn checked_div_euclid(&self, v: &i32) -> Option<Self>

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fn checked_rem_euclid(&self, v: &i32) -> Option<Self>

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impl CheckedEuclid for i64

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fn checked_div_euclid(&self, v: &i64) -> Option<Self>

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fn checked_rem_euclid(&self, v: &i64) -> Option<Self>

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impl CheckedEuclid for i128

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fn checked_div_euclid(&self, v: &i128) -> Option<Self>

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fn checked_rem_euclid(&self, v: &i128) -> Option<Self>

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impl CheckedEuclid for isize

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fn checked_div_euclid(&self, v: &isize) -> Option<Self>

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fn checked_rem_euclid(&self, v: &isize) -> Option<Self>

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impl CheckedEuclid for u8

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fn checked_div_euclid(&self, v: &u8) -> Option<Self>

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fn checked_rem_euclid(&self, v: &u8) -> Option<Self>

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impl CheckedEuclid for u16

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fn checked_div_euclid(&self, v: &u16) -> Option<Self>

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fn checked_rem_euclid(&self, v: &u16) -> Option<Self>

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impl CheckedEuclid for u32

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fn checked_div_euclid(&self, v: &u32) -> Option<Self>

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fn checked_rem_euclid(&self, v: &u32) -> Option<Self>

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impl CheckedEuclid for u64

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fn checked_div_euclid(&self, v: &u64) -> Option<Self>

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fn checked_rem_euclid(&self, v: &u64) -> Option<Self>

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impl CheckedEuclid for u128

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fn checked_div_euclid(&self, v: &u128) -> Option<Self>

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fn checked_rem_euclid(&self, v: &u128) -> Option<Self>

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impl CheckedEuclid for usize

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fn checked_div_euclid(&self, v: &usize) -> Option<Self>

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fn checked_rem_euclid(&self, v: &usize) -> Option<Self>

Implementors§