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use crate::*;
impl Serialize for () {
#[inline]
fn json_write<W>(&self, writer: &mut W) -> Result
where
W: Write,
{
writer.write_all(b"null")
}
}
macro_rules! tuple_impls {
($($len:expr => ($($n:tt $name:ident)+))+) => {
$(
impl<$($name),+> Serialize for ($($name,)+)
where
$($name: Serialize,)+
{
#[inline]
fn json_write<W>(&self, writer: &mut W) -> Result
where
W: Write,
{
if let Err(e) = writer.write_all(b"["){
return Err(e);
};
$(
if $n != 0 {
if let Err(e) = writer.write_all(b","){
return Err(e);
};
}
if let Err(e) = self.$n.json_write(writer){
return Err(e);
};
)+
writer.write_all(b"]")
}
}
)+
}
}
tuple_impls! {
1 => (0 T0)
2 => (0 T0 1 T1)
3 => (0 T0 1 T1 2 T2)
4 => (0 T0 1 T1 2 T2 3 T3)
5 => (0 T0 1 T1 2 T2 3 T3 4 T4)
6 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5)
7 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6)
8 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7)
9 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8)
10 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9)
11 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10)
12 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9 10 T10 11 T11)
13 => (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)
14 => (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)
15 => (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)
16 => (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 test {
use crate::*;
#[test]
fn tpl() {
assert_eq!((1).json_string().unwrap(), "1");
assert_eq!((1, 2).json_string().unwrap(), "[1,2]");
assert_eq!((1, 2, 3).json_string().unwrap(), "[1,2,3]");
}
}