63 lines
2.1 KiB
Rust
63 lines
2.1 KiB
Rust
|
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
|
||
|
|
// file at the top-level directory of this distribution and at
|
||
|
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
|
// option. This file may not be copied, modified, or distributed
|
||
|
|
// except according to those terms.
|
||
|
|
|
||
|
|
|
||
|
|
// implements the unary operator "op &T"
|
||
|
|
// based on "op T" where T is expected to be `Copy`able
|
||
|
|
macro_rules! forward_ref_unop {
|
||
|
|
(impl $imp:ident, $method:ident for $t:ty) => {
|
||
|
|
#[stable(feature = "rust1", since = "1.0.0")]
|
||
|
|
impl<'a> $imp for &'a $t {
|
||
|
|
type Output = <$t as $imp>::Output;
|
||
|
|
|
||
|
|
#[inline]
|
||
|
|
fn $method(self) -> <$t as $imp>::Output {
|
||
|
|
$imp::$method(*self)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// implements binary operators "&T op U", "T op &U", "&T op &U"
|
||
|
|
// based on "T op U" where T and U are expected to be `Copy`able
|
||
|
|
macro_rules! forward_ref_binop {
|
||
|
|
(impl $imp:ident, $method:ident for $t:ty, $u:ty) => {
|
||
|
|
#[stable(feature = "rust1", since = "1.0.0")]
|
||
|
|
impl<'a> $imp<$u> for &'a $t {
|
||
|
|
type Output = <$t as $imp<$u>>::Output;
|
||
|
|
|
||
|
|
#[inline]
|
||
|
|
fn $method(self, other: $u) -> <$t as $imp<$u>>::Output {
|
||
|
|
$imp::$method(*self, other)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#[stable(feature = "rust1", since = "1.0.0")]
|
||
|
|
impl<'a> $imp<&'a $u> for $t {
|
||
|
|
type Output = <$t as $imp<$u>>::Output;
|
||
|
|
|
||
|
|
#[inline]
|
||
|
|
fn $method(self, other: &'a $u) -> <$t as $imp<$u>>::Output {
|
||
|
|
$imp::$method(self, *other)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#[stable(feature = "rust1", since = "1.0.0")]
|
||
|
|
impl<'a, 'b> $imp<&'a $u> for &'b $t {
|
||
|
|
type Output = <$t as $imp<$u>>::Output;
|
||
|
|
|
||
|
|
#[inline]
|
||
|
|
fn $method(self, other: &'a $u) -> <$t as $imp<$u>>::Output {
|
||
|
|
$imp::$method(*self, *other)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|