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macro_rules! impl_protocol_for_tuple {
    ($($idx:tt $t:tt),*) => {
        impl<$($t,)*> crate::Protocol for ($($t,)*)
        where
            $($t: crate::Protocol,)*
        {
            #[allow(unused)]
            fn read(
                read: &mut dyn crate::BitRead,
                byte_order: crate::ByteOrder,
                ctx: &mut dyn core::any::Any,
            ) -> Result<Self, crate::Error> {
                Ok(($(<$t as crate::Protocol>::read(read, byte_order, ctx)?,)*))
            }

            #[allow(unused)]
            fn write(
                &self,
                write: &mut dyn crate::BitWrite,
                byte_order: crate::ByteOrder,
                ctx: &mut dyn core::any::Any,
            ) -> Result<(), crate::Error> {
                $(
                    crate::Protocol::write(&self.$idx, write, byte_order, ctx)?;
                )*
                Ok(())
            }
        }
    };
}

impl_protocol_for_tuple!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G, 7 H);
impl_protocol_for_tuple!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F, 6 G);
impl_protocol_for_tuple!(0 A, 1 B, 2 C, 3 D, 4 E, 5 F);
impl_protocol_for_tuple!(0 A, 1 B, 2 C, 3 D, 4 E);
impl_protocol_for_tuple!(0 A, 1 B, 2 C, 3 D);
impl_protocol_for_tuple!(0 A, 1 B, 2 C);
impl_protocol_for_tuple!(0 A, 1 B);
impl_protocol_for_tuple!(0 A);
impl_protocol_for_tuple!();