stable_hash/impls/
tuple.rs

1use crate::prelude::*;
2
3macro_rules! impl_tuple {
4    ($($T:ident),*) => {
5        impl<$($T : StableHash,)*> StableHash for ($($T,)*) {
6            #[allow(non_snake_case)]
7            #[allow(unused_assignments)]
8            fn stable_hash<H: StableHasher>(&self, field_address: H::Addr, state: &mut H) {
9                profile_method!(stable_hash);
10
11                let ($($T,)*) = self;
12
13                let mut i = 0;
14
15                $(
16                    $T.stable_hash(field_address.child(i), state);
17                    i += 1;
18                )*
19            }
20        }
21    }
22}
23
24macro_rules! impl_tuples {
25    ($T:ident) => { };
26    ($Head:ident, $($Tail:ident),+) => {
27        impl_tuple!($Head, $($Tail),+);
28        impl_tuples!($($Tail),+);
29    }
30}
31
32impl_tuples!(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11);