Trait arithmetic_eval::arith::CheckedArithmeticKind

pub trait CheckedArithmeticKind<T> {
    pub fn checked_neg(value: T) -> Option<T>;
}

Helper trait for CheckedArithmetic describing how number negation should be implemented.

Required methods

pub fn checked_neg(value: T) -> Option<T>

Negates the provided value, or returns None if the value cannot be negated.

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Implementors

impl<T: CheckedNeg> CheckedArithmeticKind<T> for Checked

pub fn checked_neg(value: T) -> Option<T>

impl<T: Signed> CheckedArithmeticKind<T> for Unchecked

pub fn checked_neg(value: T) -> Option<T>

impl<T: Unsigned + Zero> CheckedArithmeticKind<T> for NegateOnlyZero

pub fn checked_neg(value: T) -> Option<T>

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