Trait subtle::ConditionallyNegatable

pub trait ConditionallyNegatable {
    fn conditional_negate(&mut self, choice: Choice);
}

A type which can be conditionally negated in constant time.

Note

A generic implementation of ConditionallyNegatable is provided for types T which are ConditionallySelectable and have Neg implemented on &T.

Required methods

fn conditional_negate(&mut self, choice: Choice)

Negate self if choice == Choice(1); otherwise, leave it unchanged.

This function should execute in constant time.

Implementors

impl<T> ConditionallyNegatable for T where
    T: ConditionallySelectable,
    for<'a> &'a T: Neg<Output = T>,