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pub use self::imp::*; #[cfg(not(dox))] mod imp { pub use core::option::Option; pub use core::clone::Clone; pub use core::marker::Copy; pub use core::mem; } #[cfg(dox)] mod imp { pub enum Option<T> { Some(T), None, } impl<T: Copy> Copy for Option<T> {} impl<T: Clone> Clone for Option<T> { fn clone(&self) -> Option<T> { loop {} } } pub trait Clone { fn clone(&self) -> Self; } #[lang = "copy"] pub trait Copy {} #[lang = "sync"] pub trait Sync {} impl<T> Sync for T {} #[lang = "sized"] pub trait Sized {} macro_rules! each_int { ($mac:ident) => ( $mac!(u8); $mac!(u16); $mac!(u32); $mac!(u64); $mac!(usize); $mac!(i8); $mac!(i16); $mac!(i32); $mac!(i64); $mac!(isize); ) } #[lang = "div"] pub trait Div<RHS> { type Output; fn div(self, rhs: RHS) -> Self::Output; } macro_rules! impl_div { ($($i:ident)*) => ($( impl Div<$i> for $i { type Output = $i; fn div(self, rhs: $i) -> $i { self / rhs } } )*) } each_int!(impl_div); #[lang = "shl"] pub trait Shl<RHS> { type Output; fn shl(self, rhs: RHS) -> Self::Output; } macro_rules! impl_shl { ($($i:ident)*) => ($( impl Shl<$i> for $i { type Output = $i; fn shl(self, rhs: $i) -> $i { self << rhs } } )*) } each_int!(impl_shl); #[lang = "mul"] pub trait Mul<RHS=Self> { type Output; fn mul(self, rhs: RHS) -> Self::Output; } macro_rules! impl_mul { ($($i:ident)*) => ($( impl Mul for $i { type Output = $i; fn mul(self, rhs: $i) -> $i { self * rhs } } )*) } each_int!(impl_mul); #[lang = "sub"] pub trait Sub<RHS=Self> { type Output; fn sub(self, rhs: RHS) -> Self::Output; } macro_rules! impl_sub { ($($i:ident)*) => ($( impl Sub for $i { type Output = $i; fn sub(self, rhs: $i) -> $i { self - rhs } } )*) } each_int!(impl_sub); #[lang = "bitor"] pub trait Bitor<RHS=Self> { type Output; fn bitor(self, rhs: RHS) -> Self::Output; } macro_rules! impl_bitor { ($($i:ident)*) => ($( impl Bitor for $i { type Output = $i; fn bitor(self, rhs: $i) -> $i { self | rhs } } )*) } each_int!(impl_bitor); pub mod mem { pub fn size_of_val<T>(_: &T) -> usize { 4 } } }