serde/test_suite/tests/test_self.rs
2021-11-04 20:21:48 -07:00

89 lines
1.7 KiB
Rust

#![allow(clippy::used_underscore_binding)]
use serde::{Deserialize, Serialize};
#[test]
fn test_self() {
pub trait Trait {
type Assoc;
}
#[derive(Deserialize, Serialize)]
pub struct Generics<T: Trait<Assoc = Self>>
where
Self: Trait<Assoc = Self>,
<Self as Trait>::Assoc: Sized,
{
_f: T,
}
impl<T: Trait<Assoc = Self>> Trait for Generics<T> {
type Assoc = Self;
}
#[derive(Deserialize, Serialize)]
pub struct Struct {
_f1: Box<Self>,
_f2: Box<<Self as Trait>::Assoc>,
_f4: [(); Self::ASSOC],
_f5: [(); Self::assoc()],
}
impl Struct {
const ASSOC: usize = 1;
const fn assoc() -> usize {
0
}
}
impl Trait for Struct {
type Assoc = Self;
}
#[derive(Deserialize, Serialize)]
struct Tuple(
Box<Self>,
Box<<Self as Trait>::Assoc>,
[(); Self::ASSOC],
[(); Self::assoc()],
);
impl Tuple {
const ASSOC: usize = 1;
const fn assoc() -> usize {
0
}
}
impl Trait for Tuple {
type Assoc = Self;
}
#[derive(Deserialize, Serialize)]
enum Enum {
Struct {
_f1: Box<Self>,
_f2: Box<<Self as Trait>::Assoc>,
_f4: [(); Self::ASSOC],
_f5: [(); Self::assoc()],
},
Tuple(
Box<Self>,
Box<<Self as Trait>::Assoc>,
[(); Self::ASSOC],
[(); Self::assoc()],
),
}
impl Enum {
const ASSOC: usize = 1;
const fn assoc() -> usize {
0
}
}
impl Trait for Enum {
type Assoc = Self;
}
}