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

use crate::prelude::*;

macro_rules! impl_tuple {
    ($($T:ident),*) => {
        impl<$($T : StableHash,)*> StableHash for ($($T,)*) {
            #[allow(non_snake_case)]
            fn stable_hash<H: StableHasher>(&self, mut sequence_number: H::Seq, state: &mut H) {
                profile_method!(stable_hash);

                let ($($T,)*) = self;

                $(
                    $T.stable_hash(sequence_number.next_child(), state);
                )*
            }
        }
    }
}

macro_rules! impl_tuples {
    ($T:ident) => { };
    ($Head:ident, $($Tail:ident),+) => {
        impl_tuple!($Head, $($Tail),+);
        impl_tuples!($($Tail),+);
    }
}

impl_tuples!(T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11);