Condense the array impls

This commit is contained in:
David Tolnay 2017-04-13 15:41:26 -07:00
parent bdccde5c9b
commit 5d396c4e3b
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@ -127,54 +127,28 @@ impl<T> Serialize for [T; 0] {
}
macro_rules! array_impls {
($len:expr) => {
impl<T> Serialize for [T; $len] where T: Serialize {
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,
{
let mut seq = try!(serializer.serialize_seq_fixed_size($len));
for e in self {
try!(seq.serialize_element(e));
($($len:tt)+) => {
$(
impl<T> Serialize for [T; $len] where T: Serialize {
#[inline]
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,
{
let mut seq = try!(serializer.serialize_seq_fixed_size($len));
for e in self {
try!(seq.serialize_element(e));
}
seq.end()
}
seq.end()
}
}
)+
}
}
array_impls!(1);
array_impls!(2);
array_impls!(3);
array_impls!(4);
array_impls!(5);
array_impls!(6);
array_impls!(7);
array_impls!(8);
array_impls!(9);
array_impls!(10);
array_impls!(11);
array_impls!(12);
array_impls!(13);
array_impls!(14);
array_impls!(15);
array_impls!(16);
array_impls!(17);
array_impls!(18);
array_impls!(19);
array_impls!(20);
array_impls!(21);
array_impls!(22);
array_impls!(23);
array_impls!(24);
array_impls!(25);
array_impls!(26);
array_impls!(27);
array_impls!(28);
array_impls!(29);
array_impls!(30);
array_impls!(31);
array_impls!(32);
array_impls!(01 02 03 04 05 06 07 08 09 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32);
////////////////////////////////////////////////////////////////////////////////