mystuff/net/gurk-rs/files/vendor/curve25519-dalek-2.0.0/src/macros.rs

124 lines
3.1 KiB
Rust

// -*- mode: rust; -*-
//
// This file is part of curve25519-dalek.
// Copyright (c) 2016-2019 Isis Lovecruft, Henry de Valence
// See LICENSE for licensing information.
//
// Authors:
// - Isis Agora Lovecruft <isis@patternsinthevoid.net>
// - Henry de Valence <hdevalence@hdevalence.ca>
//! Internal macros.
/// Define borrow and non-borrow variants of `Add`.
macro_rules! define_add_variants {
(LHS = $lhs:ty, RHS = $rhs:ty, Output = $out:ty) => {
impl<'b> Add<&'b $rhs> for $lhs {
type Output = $out;
fn add(self, rhs: &'b $rhs) -> $out {
&self + rhs
}
}
impl<'a> Add<$rhs> for &'a $lhs {
type Output = $out;
fn add(self, rhs: $rhs) -> $out {
self + &rhs
}
}
impl Add<$rhs> for $lhs {
type Output = $out;
fn add(self, rhs: $rhs) -> $out {
&self + &rhs
}
}
}
}
/// Define non-borrow variants of `AddAssign`.
macro_rules! define_add_assign_variants {
(LHS = $lhs:ty, RHS = $rhs:ty) => {
impl AddAssign<$rhs> for $lhs {
fn add_assign(&mut self, rhs: $rhs) {
*self += &rhs;
}
}
}
}
/// Define borrow and non-borrow variants of `Sub`.
macro_rules! define_sub_variants {
(LHS = $lhs:ty, RHS = $rhs:ty, Output = $out:ty) => {
impl<'b> Sub<&'b $rhs> for $lhs {
type Output = $out;
fn sub(self, rhs: &'b $rhs) -> $out {
&self - rhs
}
}
impl<'a> Sub<$rhs> for &'a $lhs {
type Output = $out;
fn sub(self, rhs: $rhs) -> $out {
self - &rhs
}
}
impl Sub<$rhs> for $lhs {
type Output = $out;
fn sub(self, rhs: $rhs) -> $out {
&self - &rhs
}
}
}
}
/// Define non-borrow variants of `SubAssign`.
macro_rules! define_sub_assign_variants {
(LHS = $lhs:ty, RHS = $rhs:ty) => {
impl SubAssign<$rhs> for $lhs {
fn sub_assign(&mut self, rhs: $rhs) {
*self -= &rhs;
}
}
}
}
/// Define borrow and non-borrow variants of `Mul`.
macro_rules! define_mul_variants {
(LHS = $lhs:ty, RHS = $rhs:ty, Output = $out:ty) => {
impl<'b> Mul<&'b $rhs> for $lhs {
type Output = $out;
fn mul(self, rhs: &'b $rhs) -> $out {
&self * rhs
}
}
impl<'a> Mul<$rhs> for &'a $lhs {
type Output = $out;
fn mul(self, rhs: $rhs) -> $out {
self * &rhs
}
}
impl Mul<$rhs> for $lhs {
type Output = $out;
fn mul(self, rhs: $rhs) -> $out {
&self * &rhs
}
}
}
}
/// Define non-borrow variants of `MulAssign`.
macro_rules! define_mul_assign_variants {
(LHS = $lhs:ty, RHS = $rhs:ty) => {
impl MulAssign<$rhs> for $lhs {
fn mul_assign(&mut self, rhs: $rhs) {
*self *= &rhs;
}
}
}
}