use crate::{Capacity, CapacityUpperBound, Length, SizeHint};
macro_rules! tuple_impls {
($(
$tuple_len:tt {
$(($idx:tt) -> $T:ident)*
}
)+) => {
$(
impl<$( $T, )*> Capacity for ($( $T, )*) {
#[inline]
fn capacity(&self) -> usize {
$tuple_len
}
}
impl<$( $T, )*> CapacityUpperBound for ($( $T, )*) {
#[inline]
fn capacity_upper_bound(&self) -> usize {
$tuple_len
}
}
impl<$( $T, )*> Length for ($( $T, )*) {
#[inline]
fn length(&self) -> usize {
$tuple_len
}
}
impl<$( $T, )*> SizeHint for ($( $T, )*) {
#[inline]
fn size_hint(&self) -> (usize, Option<usize>) {
($tuple_len, Some($tuple_len))
}
}
)+
}
}
tuple_impls! {
0 {
}
1 {
(0) -> A
}
2 {
(0) -> A
(1) -> B
}
3 {
(0) -> A
(1) -> B
(2) -> C
}
4 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
}
5 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
(4) -> E
}
6 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
(4) -> E
(5) -> F
}
7 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
(4) -> E
(5) -> F
(6) -> G
}
8 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
(4) -> E
(5) -> F
(6) -> G
(7) -> H
}
9 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
(4) -> E
(5) -> F
(6) -> G
(7) -> H
(8) -> I
}
10 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
(4) -> E
(5) -> F
(6) -> G
(7) -> H
(8) -> I
(9) -> J
}
11 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
(4) -> E
(5) -> F
(6) -> G
(7) -> H
(8) -> I
(9) -> J
(10) -> K
}
12 {
(0) -> A
(1) -> B
(2) -> C
(3) -> D
(4) -> E
(5) -> F
(6) -> G
(7) -> H
(8) -> I
(9) -> J
(10) -> K
(11) -> L
}
}