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use crate::{
top_decode_from_nested_or_handle_err, DecodeErrorHandler, EncodeErrorHandler, NestedDecode,
NestedDecodeInput, NestedEncode, NestedEncodeOutput, TopDecode, TopDecodeInput, TopEncode,
TopEncodeOutput,
};
macro_rules! tuple_impls {
($(($($n:tt $name:ident)+))+) => {
$(
impl<$($name),+> TopEncode for ($($name,)+)
where
$($name: NestedEncode,)+
{
fn top_encode_or_handle_err<O, H>(&self, output: O, h: H) -> Result<(), H::HandledErr>
where
O: TopEncodeOutput,
H: EncodeErrorHandler,
{
let mut buffer = output.start_nested_encode();
$(
self.$n.dep_encode_or_handle_err(&mut buffer, h)?;
)+
output.finalize_nested_encode(buffer);
Ok(())
}
}
impl<$($name),+> TopDecode for ($($name,)+)
where
$($name: NestedDecode,)+
{
fn top_decode_or_handle_err<I, H>(input: I, h: H) -> Result<Self, H::HandledErr>
where
I: TopDecodeInput,
H: DecodeErrorHandler,
{
top_decode_from_nested_or_handle_err(input, h)
}
}
impl<$($name),+> NestedEncode for ($($name,)+)
where
$($name: NestedEncode,)+
{
fn dep_encode_or_handle_err<O, H>(&self, dest: &mut O, h: H) -> Result<(), H::HandledErr>
where
O: NestedEncodeOutput,
H: EncodeErrorHandler,
{
$(
self.$n.dep_encode_or_handle_err(dest, h)?;
)+
Ok(())
}
}
impl<$($name),+> NestedDecode for ($($name,)+)
where
$($name: NestedDecode,)+
{
fn dep_decode_or_handle_err<I, H>(input: &mut I, h: H) -> Result<Self, H::HandledErr>
where
I: NestedDecodeInput,
H: DecodeErrorHandler,
{
Ok((
$(
$name::dep_decode_or_handle_err(input, h)?,
)+
))
}
}
)+
}
}
tuple_impls! {
(0 T0)
(0 T0 1 T1)
(0 T0 1 T1 2 T2)
(0 T0 1 T1 2 T2 3 T3)
(0 T0 1 T1 2 T2 3 T3 4 T4)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11 12 T12)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11 12 T12 13 T13)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11 12 T12 13 T13 14 T14)
(0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11 12 T12 13 T13 14 T14 15 T15)
}
#[cfg(test)]
mod tests {
use crate::test_util::{check_dep_encode_decode, check_top_encode_decode};
#[test]
fn test_top() {
let t = (1i8, 2u32, 3i16);
let expected: &[u8] = &[1, 0, 0, 0, 2, 0, 3];
check_top_encode_decode(t, expected);
}
#[test]
fn test_dep() {
let t = (1i8, 2u32, 3i16);
let expected: &[u8] = &[1, 0, 0, 0, 2, 0, 3];
check_dep_encode_decode(t, expected);
}
}