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Condense the tuple impls

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David Tolnay
2017-04-13 16:01:50 -07:00
parent a15636f808
commit 15faaf8bc3
1 changed files with 23 additions and 177 deletions
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serde/src/ser/impls.rs
+23 -177
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@@ -233,22 +233,20 @@ impl Serialize for () {
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
macro_rules! tuple_impls { macro_rules! tuple_impls {
($( ($($len:expr => ($($n:tt $name:ident)+))+) => {
$TupleVisitor:ident ($len:expr, $($T:ident),+) {
$($state:pat => $idx:tt,)+
}
)+) => {
$( $(
impl<$($T),+> Serialize for ($($T,)+) impl<$($name),+> Serialize for ($($name,)+)
where $($T: Serialize),+ where
$($name: Serialize,)+
{ {
#[inline] #[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer, where
S: Serializer,
{ {
let mut tuple = try!(serializer.serialize_tuple($len)); let mut tuple = try!(serializer.serialize_tuple($len));
$( $(
try!(tuple.serialize_element(&self.$idx)); try!(tuple.serialize_element(&self.$n));
)+ )+
tuple.end() tuple.end()
} }
@@ -258,174 +256,22 @@ macro_rules! tuple_impls {
} }
tuple_impls! { tuple_impls! {
TupleVisitor1 (1, T0) { 1 => (0 T0)
0 => 0, 2 => (0 T0 1 T1)
} 3 => (0 T0 1 T1 2 T2)
TupleVisitor2 (2, T0, T1) { 4 => (0 T0 1 T1 2 T2 3 T3)
0 => 0, 5 => (0 T0 1 T1 2 T2 3 T3 4 T4)
1 => 1, 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)
TupleVisitor3 (3, T0, T1, T2) { 8 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7)
0 => 0, 9 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8)
1 => 1, 10 => (0 T0 1 T1 2 T2 3 T3 4 T4 5 T5 6 T6 7 T7 8 T8 9 T9)
2 => 2, 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)
TupleVisitor4 (4, T0, T1, T2, T3) { 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)
0 => 0, 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)
1 => 1, 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)
2 => 2, 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)
3 => 3,
}
TupleVisitor5 (5, T0, T1, T2, T3, T4) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
}
TupleVisitor6 (6, T0, T1, T2, T3, T4, T5) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
}
TupleVisitor7 (7, T0, T1, T2, T3, T4, T5, T6) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
}
TupleVisitor8 (8, T0, T1, T2, T3, T4, T5, T6, T7) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
}
TupleVisitor9 (9, T0, T1, T2, T3, T4, T5, T6, T7, T8) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
}
TupleVisitor10 (10, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => 9,
}
TupleVisitor11 (11, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => 9,
10 => 10,
}
TupleVisitor12 (12, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => 9,
10 => 10,
11 => 11,
}
TupleVisitor13 (13, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => 9,
10 => 10,
11 => 11,
12 => 12,
}
TupleVisitor14 (14, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => 9,
10 => 10,
11 => 11,
12 => 12,
13 => 13,
}
TupleVisitor15 (15, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => 9,
10 => 10,
11 => 11,
12 => 12,
13 => 13,
14 => 14,
}
TupleVisitor16 (16, T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15) {
0 => 0,
1 => 1,
2 => 2,
3 => 3,
4 => 4,
5 => 5,
6 => 6,
7 => 7,
8 => 8,
9 => 9,
10 => 10,
11 => 11,
12 => 12,
13 => 13,
14 => 14,
15 => 15,
}
} }
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////