precomputed_map/
macros.rs

1#[macro_export]
2macro_rules! define {
3    ( $vis:vis const $name:ident: &[u8; $n:expr] = include $path:literal ) => {
4        $vis struct $name;
5
6        impl $crate::store::AsData for $name {
7            type Data = [u8; $n];
8
9            fn as_data() -> &'static Self::Data {
10                const VALUE: &[u8; $n] = include_bytes!($path);
11                VALUE
12            }
13        }
14    };
15    ( $vis:vis const $name:ident: &[u8 align $unit:ty; $n:expr] = include $path:literal ) => {
16        $vis struct $name;
17
18        impl $crate::store::AsData for $name {
19            type Data = [u8; $n];
20
21            fn as_data() -> &'static Self::Data {
22                static VALUE: &$crate::aligned::AlignedBytes<$n, $unit> = &$crate::aligned::AlignedBytes {
23                    align: [],
24                    bytes: *include_bytes!($path)
25                };
26
27                &VALUE.bytes
28            }
29        }
30    };
31    ( $vis:vis const searchable $name:ident: &[$unit:ty; $n:expr] = $v:expr ) => {
32        $crate::define!($vis const $name: &[$unit; $n] = $v );
33
34        impl $crate::store::Searchable for $name {
35            fn search<Q>(query: &Q)
36                -> Option<Self::Value>
37            where
38                Q: $crate::equivalent::Comparable<Self::Key> + ?Sized
39            {
40                let values = $name.as_slice();
41                values.binary_search_by(|k| query.compare(k).reverse()).ok()
42            }
43        }        
44    };
45    ( $vis:vis const $name:ident: &[$unit:ty; $n:expr] = $v:expr ) => {
46        $vis struct $name;
47
48        impl $name {
49            fn as_slice(&self) -> &[$unit] {
50                static VALUE: &[$unit; $n] = $v;
51                VALUE
52            }
53        }
54
55        impl $crate::store::AccessSeq for $name {
56            type Item = $unit;
57            const LEN: usize = $n;
58
59            fn index(index: usize) -> Option<Self::Item> {
60                $name.as_slice().get(index).copied()
61            }
62        }
63    }
64}
precomputed_map/macros.rs

precomputed_map/
macros.rs
