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#[lang = "sized"]
pub trait Sized {}
macro_rules! forward_ref_binop {
(impl $imp:ident, $method:ident for $t:ty, $u:ty) => {
forward_ref_binop!(impl $imp, $method for $t, $u,
#[stable(feature = "rust1", since = "1.0.0")]);
};
(impl $imp:ident, $method:ident for $t:ty, $u:ty, #[$attr:meta]) => {
#[$attr]
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)
}
}
#[$attr]
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)
}
}
#[$attr]
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)
}
}
}
}
#[lang = "add"]
pub trait Add<RHS = Self> {
type Output;
fn add(self, rhs: RHS) -> Self::Output;
}
macro_rules! add_impl {
($($t:ty)*) => ($(
#[stable(feature = "rust1", since = "1.0.0")]
impl Add for $t {
type Output = $t;
fn add(self, other: $t) -> $t { self + other }
}
forward_ref_binop! { impl Add, add for $t, $t }
)*)
}
add_impl! { usize u8 u16 u32 u64 /*u128*/ isize i8 i16 i32 i64 /*i128*/ f32 f64 }
|