1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209

pub use self::imp::*;

#[cfg(not(cross_platform_docs))]
mod imp {
    pub use core::option::Option;
    pub use core::clone::Clone;
    pub use core::marker::Copy;
    pub use core::mem;
}

#[cfg(cross_platform_docs)]
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 {} }
    }

    impl<T> Copy for *mut T {}
    impl<T> Clone for *mut T {
        fn clone(&self) -> *mut T { loop {} }
    }

    impl<T> Copy for *const T {}
    impl<T> Clone for *const T {
        fn clone(&self) -> *const T { loop {} }
    }

    pub trait Clone {
        fn clone(&self) -> Self;
    }

    #[lang = "copy"]
    pub trait Copy {}

    #[lang = "freeze"]
    pub trait Freeze {}

    #[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);
            $mac!(usize);
            each_signed_int!($mac);
        )
    }

    macro_rules! each_signed_int {
        ($mac:ident) => (
            $mac!(i8);
            $mac!(i16);
            $mac!(i32);
            $mac!(i64);
            $mac!(isize);
        )
    }

    #[lang = "div"]
    pub trait Div<RHS=Self> {
        type Output;
        fn div(self, rhs: RHS) -> Self::Output;
    }

    #[lang = "shl"]
    pub trait Shl<RHS=Self> {
        type Output;
        fn shl(self, rhs: RHS) -> Self::Output;
    }

    #[lang = "mul"]
    pub trait Mul<RHS=Self> {
        type Output;
        fn mul(self, rhs: RHS) -> Self::Output;
    }

    #[lang = "sub"]
    pub trait Sub<RHS=Self> {
        type Output;
        fn sub(self, rhs: RHS) -> Self::Output;
    }

    #[lang = "bitand"]
    pub trait BitAnd<RHS=Self> {
        type Output;
        fn bitand(self, rhs: RHS) -> Self::Output;
    }

    #[lang = "bitand_assign"]
    pub trait BitAndAssign<RHS = Self> {
        fn bitand_assign(&mut self, rhs: RHS);
    }

    #[lang = "bitor"]
    pub trait BitOr<RHS=Self> {
        type Output;
        fn bitor(self, rhs: RHS) -> Self::Output;
    }

    #[lang = "bitor_assign"]
    pub trait BitOrAssign<RHS = Self> {
        fn bitor_assign(&mut self, rhs: RHS);
    }

    #[lang = "bitxor"]
    pub trait BitXor<RHS=Self> {
        type Output;
        fn bitxor(self, rhs: RHS) -> Self::Output;
    }

    #[lang = "bitxor_assign"]
    pub trait BitXorAssign<RHS = Self> {
        fn bitxor_assign(&mut self, rhs: RHS);
    }

    #[lang = "neg"]
    pub trait Neg {
        type Output;
        fn neg(self) -> Self::Output;
    }

    #[lang = "not"]
    pub trait Not {
        type Output;
        fn not(self) -> Self::Output;
    }

    #[lang = "add"]
    pub trait Add<RHS = Self> {
        type Output;
        fn add(self, r: RHS) -> Self::Output;
    }

    macro_rules! impl_traits {
        ($($i:ident)*) => ($(
            impl Div<$i> for $i {
                type Output = $i;
                fn div(self, rhs: $i) -> $i { self / rhs }
            }
            impl Shl<$i> for $i {
                type Output = $i;
                fn shl(self, rhs: $i) -> $i { self << rhs }
            }
            impl Mul for $i {
                type Output = $i;
                fn mul(self, rhs: $i) -> $i { self * rhs }
            }

            impl Sub for $i {
                type Output = $i;
                fn sub(self, rhs: $i) -> $i { self - rhs }
            }
            impl BitAnd for $i {
                type Output = $i;
                fn bitand(self, rhs: $i) -> $i { self & rhs }
            }
            impl BitAndAssign for $i {
                fn bitand_assign(&mut self, rhs: $i) { *self &= rhs; }
            }
            impl BitOr for $i {
                type Output = $i;
                fn bitor(self, rhs: $i) -> $i { self | rhs }
            }
            impl BitOrAssign for $i {
                fn bitor_assign(&mut self, rhs: $i) { *self |= rhs; }
            }
            impl BitXor for $i {
                type Output = $i;
                fn bitxor(self, rhs: $i) -> $i { self ^ rhs }
            }
            impl BitXorAssign for $i {
                fn bitxor_assign(&mut self, rhs: $i) { *self ^= rhs; }
            }
            impl Neg for $i {
                type Output = $i;
                fn neg(self) -> $i { -self }
            }
            impl Not for $i {
                type Output = $i;
                fn not(self) -> $i { !self }
            }
            impl Add<$i> for $i {
                type Output = $i;
                fn add(self, other: $i) -> $i { self + other }
            }
            impl Copy for $i {}
            impl Clone for $i {
                fn clone(&self) -> $i { loop {} }
            }
        )*)
    }
    each_int!(impl_traits);

    pub mod mem {
        pub fn size_of_val<T>(_: &T) -> usize { 4 }
        pub const fn size_of<T>() -> usize { 4 }
    }
}