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May 4, 2025 23:09
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Checking cmap v0.1.0 (/Users/joelwejdenstal/repos/cmap) | |
Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s | |
#![feature(prelude_import)] | |
#[prelude_import] | |
use std::prelude::rust_2024::*; | |
#[macro_use] | |
extern crate std; | |
use std::hint; | |
use cmap::map; | |
#[unsafe(no_mangle)] | |
#[inline(never)] | |
pub fn convert(s: &str) -> Option<i32> { | |
const fn parse(bytes: &[u8]) -> Option<i32> { | |
use typenum::*; | |
use std::ops::{Sub, Add, Shr, Mul}; | |
use typenum::uint::*; | |
trait Counter { | |
type Next: Counter; | |
const COUNT: usize; | |
} | |
struct CounterImpl<Field> | |
where | |
Field: Unsigned, | |
{ | |
_field: std::marker::PhantomData<Field>, | |
} | |
impl Counter for CounterImpl<U0> { | |
type Next = CounterImpl<U0>; | |
const COUNT: usize = 0; | |
} | |
impl<Field> Counter for CounterImpl<UInt<Field, B1>> | |
where | |
UInt<Field, B1>: Unsigned + Shr<U1>, | |
<UInt<Field, B1> as Shr<U1>>::Output: Unsigned + Shr<U1>, | |
CounterImpl<<UInt<Field, B1> as Shr<U1>>::Output>: Counter, | |
{ | |
type Next = CounterImpl<<UInt<Field, B1> as Shr<U1>>::Output>; | |
const COUNT: usize = const { | |
<UInt<Field, B1> as Unsigned>::USIZE.count_ones() as usize | |
}; | |
} | |
trait AsCounter { | |
type Counter: Counter; | |
} | |
struct FieldMap<const N: usize>(std::marker::PhantomData<[(); N]>); | |
impl<const N: usize> AsCounter for FieldMap<N> | |
where | |
Const<N>: ToUInt, | |
<Const<N> as ToUInt>::Output: Unsigned, | |
CounterImpl<U<N>>: Counter, | |
{ | |
type Counter = CounterImpl<U<N>>; | |
} | |
#[inline(always)] | |
const fn cmp_wrapper<const N: usize, const R: usize>(a: &[u8], b: &[u8]) -> bool | |
where | |
FieldMap<N>: AsCounter, | |
{ | |
cmp::<<FieldMap<N> as AsCounter>::Counter, N, R>(a.as_ptr(), b.as_ptr()) | |
} | |
#[inline(always)] | |
const fn cmp<C, const END: usize, const R: usize>( | |
a: *const u8, | |
b: *const u8, | |
) -> bool | |
where | |
C: Counter, | |
{ | |
#[inline(always)] | |
const fn adv(x: *const u8) -> *const u8 { | |
unsafe { x.add(8) } | |
} | |
if const { C::COUNT > 0 } { | |
let b0 = unsafe { std::ptr::read_unaligned(a as *const u64) } | |
== unsafe { std::ptr::read_unaligned(b as *const u64) }; | |
let b1 = cmp::<C::Next, END, R>(adv(a), adv(b)); | |
b0 && b1 | |
} else if const { R == 0 } { | |
true | |
} else if const { R == 1 } { | |
(unsafe { std::ptr::read_unaligned(a as *const u8) }) | |
== unsafe { std::ptr::read_unaligned(b as *const u8) } | |
} else if const { R == 2 } { | |
(unsafe { std::ptr::read_unaligned(a as *const u16) }) | |
== unsafe { std::ptr::read_unaligned(b as *const u16) } | |
} else if const { R == 3 } { | |
(unsafe { std::ptr::read_unaligned(a as *const u16) }) | |
== unsafe { std::ptr::read_unaligned(b as *const u16) } | |
&& unsafe { std::ptr::read_unaligned(a.add(2) as *const u8) } | |
== unsafe { std::ptr::read_unaligned(b.add(2) as *const u8) } | |
} else if const { R == 4 } { | |
(unsafe { std::ptr::read_unaligned(a as *const u32) }) | |
== unsafe { std::ptr::read_unaligned(b as *const u32) } | |
} else if const { R == 5 } { | |
(unsafe { std::ptr::read_unaligned(a as *const u32) }) | |
== unsafe { std::ptr::read_unaligned(b as *const u32) } | |
&& unsafe { std::ptr::read_unaligned(a.add(4) as *const u8) } | |
== unsafe { std::ptr::read_unaligned(b.add(4) as *const u8) } | |
} else if const { R == 6 } { | |
(unsafe { std::ptr::read_unaligned(a as *const u32) }) | |
== unsafe { std::ptr::read_unaligned(b as *const u32) } | |
&& unsafe { std::ptr::read_unaligned(a.add(4) as *const u16) } | |
== unsafe { std::ptr::read_unaligned(b.add(4) as *const u16) } | |
} else if const { R == 7 } { | |
(unsafe { std::ptr::read_unaligned(a as *const u32) }) | |
== unsafe { std::ptr::read_unaligned(b as *const u32) } | |
&& unsafe { std::ptr::read_unaligned(a.add(4) as *const u16) } | |
== unsafe { std::ptr::read_unaligned(b.add(4) as *const u16) } | |
&& unsafe { std::ptr::read_unaligned(a.add(6) as *const u8) } | |
== unsafe { std::ptr::read_unaligned(b.add(6) as *const u8) } | |
} else { | |
unsafe { | |
std::hint::unreachable_unchecked(); | |
} | |
} | |
} | |
match bytes.len() { | |
5usize => { | |
let &[_i0, _i1, _i2, _i3, _i4] = bytes else { | |
unsafe { std::hint::unreachable_unchecked() } | |
}; | |
if cmp_wrapper::< | |
0usize, | |
5usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts(bytes.as_ptr().add(0usize), 5usize) | |
}, | |
&[97u8, 112u8, 112u8, 108u8, 101u8], | |
) { | |
return Some(0); | |
} | |
None | |
} | |
6usize => { | |
let &[_i0, _i1, _i2, _i3, _i4, _i5] = bytes else { | |
unsafe { std::hint::unreachable_unchecked() } | |
}; | |
if _i1 == 97u8 { | |
if _i5 == 116u8 { | |
if _i0 == 99u8 | |
&& cmp_wrapper::< | |
0usize, | |
3usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(2usize), | |
3usize, | |
) | |
}, | |
&[114u8, 114u8, 111u8], | |
) | |
{ | |
return Some(2); | |
} | |
} else { | |
if _i4 == 110u8 { | |
if _i0 == 98u8 | |
&& cmp_wrapper::< | |
0usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(2usize), | |
2usize, | |
) | |
}, | |
&[110u8, 97u8], | |
) | |
{ | |
return Some(1); | |
} | |
} else { | |
if _i0 == 104u8 | |
&& cmp_wrapper::< | |
0usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(2usize), | |
2usize, | |
) | |
}, | |
&[103u8, 103u8], | |
) | |
{ | |
return Some(7); | |
} | |
} | |
} | |
} else { | |
if _i5 == 116u8 { | |
if _i0 == 121u8 | |
&& cmp_wrapper::< | |
0usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(2usize), | |
2usize, | |
) | |
}, | |
&[103u8, 117u8], | |
) | |
{ | |
return Some(24); | |
} | |
} else { | |
if _i4 == 111u8 { | |
if _i0 == 113u8 | |
&& cmp_wrapper::< | |
0usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(2usize), | |
2usize, | |
) | |
}, | |
&[105u8, 110u8], | |
) | |
{ | |
return Some(16); | |
} | |
} else { | |
if _i0 == 103u8 | |
&& cmp_wrapper::< | |
0usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(2usize), | |
2usize, | |
) | |
}, | |
&[97u8, 112u8], | |
) | |
{ | |
return Some(6); | |
} | |
} | |
} | |
} | |
None | |
} | |
7usize => { | |
let &[_i0, _i1, _i2, _i3, _i4, _i5, _i6] = bytes else { | |
unsafe { std::hint::unreachable_unchecked() } | |
}; | |
if cmp_wrapper::< | |
0usize, | |
7usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts(bytes.as_ptr().add(0usize), 7usize) | |
}, | |
&[111u8, 114u8, 97u8, 110u8, 103u8, 101u8, 115u8], | |
) { | |
return Some(14); | |
} | |
if cmp_wrapper::< | |
0usize, | |
7usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts(bytes.as_ptr().add(0usize), 7usize) | |
}, | |
&[118u8, 97u8, 110u8, 105u8, 108u8, 108u8, 97u8], | |
) { | |
return Some(21); | |
} | |
None | |
} | |
8usize => { | |
let &[_i0, _i1, _i2, _i3, _i4, _i5, _i6, _i7] = bytes else { | |
unsafe { std::hint::unreachable_unchecked() } | |
}; | |
if _i5 == 97u8 { | |
if _i7 == 121u8 { | |
if cmp_wrapper::< | |
0usize, | |
5usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
5usize, | |
) | |
}, | |
&[114u8, 111u8, 115u8, 101u8, 109u8], | |
) && _i6 == 114u8 | |
{ | |
return Some(17); | |
} | |
} else { | |
if _i6 == 110u8 { | |
if cmp_wrapper::< | |
0usize, | |
5usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
5usize, | |
) | |
}, | |
&[101u8, 103u8, 103u8, 112u8, 108u8], | |
) { | |
return Some(4); | |
} | |
} else { | |
if cmp_wrapper::< | |
0usize, | |
5usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
5usize, | |
) | |
}, | |
&[108u8, 101u8, 109u8, 111u8, 110u8], | |
) { | |
return Some(11); | |
} | |
} | |
} | |
} else { | |
if _i4 == 104u8 { | |
if _i7 == 116u8 { | |
if cmp_wrapper::< | |
0usize, | |
4usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
4usize, | |
) | |
}, | |
&[100u8, 111u8, 117u8, 103u8], | |
) { | |
return Some(3); | |
} | |
} else { | |
if cmp_wrapper::< | |
0usize, | |
4usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
4usize, | |
) | |
}, | |
&[122u8, 117u8, 99u8, 99u8], | |
) { | |
return Some(25); | |
} | |
} | |
} else { | |
if cmp_wrapper::< | |
0usize, | |
4usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
4usize, | |
) | |
}, | |
&[116u8, 111u8, 109u8, 97u8], | |
) { | |
return Some(19); | |
} | |
} | |
} | |
None | |
} | |
9usize => { | |
let &[_i0, _i1, _i2, _i3, _i4, _i5, _i6, _i7, _i8] = bytes else { | |
unsafe { std::hint::unreachable_unchecked() } | |
}; | |
if cmp_wrapper::< | |
1usize, | |
1usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts(bytes.as_ptr().add(0usize), 9usize) | |
}, | |
&[105u8, 99u8, 101u8, 32u8, 99u8, 114u8, 101u8, 97u8, 109u8], | |
) { | |
return Some(8); | |
} | |
if cmp_wrapper::< | |
1usize, | |
1usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts(bytes.as_ptr().add(0usize), 9usize) | |
}, | |
&[115u8, 111u8, 117u8, 114u8, 100u8, 111u8, 117u8, 103u8, 104u8], | |
) { | |
return Some(18); | |
} | |
None | |
} | |
10usize => { | |
let &[_i0, _i1, _i2, _i3, _i4, _i5, _i6, _i7, _i8, _i9] = bytes else { | |
unsafe { std::hint::unreachable_unchecked() } | |
}; | |
if _i9 == 115u8 { | |
if _i8 == 101u8 { | |
if _i4 == 97u8 { | |
if _i7 == 110u8 { | |
if cmp_wrapper::< | |
0usize, | |
4usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
4usize, | |
) | |
}, | |
&[110u8, 101u8, 99u8, 116u8], | |
) | |
&& cmp_wrapper::< | |
0usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(5usize), | |
2usize, | |
) | |
}, | |
&[114u8, 105u8], | |
) | |
{ | |
return Some(13); | |
} | |
} else { | |
if cmp_wrapper::< | |
0usize, | |
4usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
4usize, | |
) | |
}, | |
&[112u8, 105u8, 110u8, 101u8], | |
) | |
&& cmp_wrapper::< | |
0usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(5usize), | |
2usize, | |
) | |
}, | |
&[112u8, 112u8], | |
) | |
{ | |
return Some(15); | |
} | |
} | |
} | |
} | |
} else { | |
if cmp_wrapper::< | |
0usize, | |
4usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
4usize, | |
) | |
}, | |
&[119u8, 97u8, 116u8, 101u8], | |
) | |
&& cmp_wrapper::< | |
0usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(5usize), | |
2usize, | |
) | |
}, | |
&[109u8, 101u8], | |
) | |
{ | |
return Some(22); | |
} | |
} | |
None | |
} | |
11usize => { | |
let &[_i0, _i1, _i2, _i3, _i4, _i5, _i6, _i7, _i8, _i9, _i10] = bytes | |
else { unsafe { std::hint::unreachable_unchecked() } }; | |
if _i10 == 115u8 { | |
if _i9 == 119u8 { | |
if cmp_wrapper::< | |
1usize, | |
1usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
9usize, | |
) | |
}, | |
&[ | |
109u8, 97u8, 115u8, 104u8, 109u8, 97u8, 108u8, 108u8, 111u8, | |
], | |
) { | |
return Some(12); | |
} | |
} else { | |
if cmp_wrapper::< | |
1usize, | |
1usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
9usize, | |
) | |
}, | |
&[106u8, 101u8, 108u8, 108u8, 121u8, 32u8, 98u8, 101u8, 97u8], | |
) { | |
return Some(9); | |
} | |
} | |
} else { | |
if cmp_wrapper::< | |
1usize, | |
1usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts( | |
bytes.as_ptr().add(0usize), | |
9usize, | |
) | |
}, | |
&[102u8, 114u8, 97u8, 110u8, 107u8, 105u8, 110u8, 99u8, 101u8], | |
) { | |
return Some(5); | |
} | |
} | |
None | |
} | |
16usize => { | |
let &[_i0, _i1, _i2, _i3, _i4, _i5, _i6, _i7, _i8, _i9, _i10, _i11, _i12, | |
_i13, _i14, _i15] = bytes else { | |
unsafe { std::hint::unreachable_unchecked() } | |
}; | |
if cmp_wrapper::< | |
3usize, | |
0usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts(bytes.as_ptr().add(0usize), 16usize) | |
}, | |
&[ | |
117u8, 110u8, 108u8, 101u8, 97u8, 118u8, 101u8, 110u8, 101u8, | |
100u8, 32u8, 98u8, 114u8, 101u8, 97u8, 100u8, | |
], | |
) { | |
return Some(20); | |
} | |
if cmp_wrapper::< | |
3usize, | |
0usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts(bytes.as_ptr().add(0usize), 16usize) | |
}, | |
&[ | |
120u8, 105u8, 110u8, 111u8, 109u8, 97u8, 118u8, 114u8, 111u8, | |
32u8, 103u8, 114u8, 97u8, 112u8, 101u8, 115u8, | |
], | |
) { | |
return Some(23); | |
} | |
None | |
} | |
18usize => { | |
let &[_i0, _i1, _i2, _i3, _i4, _i5, _i6, _i7, _i8, _i9, _i10, _i11, _i12, | |
_i13, _i14, _i15, _i16, _i17] = bytes else { | |
unsafe { std::hint::unreachable_unchecked() } | |
}; | |
if cmp_wrapper::< | |
3usize, | |
2usize, | |
>( | |
unsafe { | |
std::slice::from_raw_parts(bytes.as_ptr().add(0usize), 18usize) | |
}, | |
&[ | |
107u8, 97u8, 102u8, 102u8, 105u8, 114u8, 32u8, 108u8, 105u8, | |
109u8, 101u8, 32u8, 108u8, 101u8, 97u8, 118u8, 101u8, 115u8, | |
], | |
) { | |
return Some(10); | |
} | |
None | |
} | |
_ => return None, | |
} | |
} | |
parse(s.as_bytes()) | |
} | |
fn main() { | |
hint::black_box(convert(hint::black_box("983925g"))); | |
} |
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