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