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