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//@ edition: 2021
//@ run-pass
#![feature(derive_from)]
use core::from::From;
#[derive(From)]
struct TupleSimple(u32);
#[derive(From)]
struct TupleNonPathType([u32; 4]);
#[derive(From)]
struct TupleWithRef<'a, T>(&'a T);
#[derive(From)]
struct TupleSWithBound<T: std::fmt::Debug>(T);
#[derive(From)]
struct RawIdentifier {
r#use: u32,
}
#[derive(From)]
struct Field {
foo: bool,
}
#[derive(From)]
struct Const<const C: usize> {
foo: [u32; C],
}
fn main() {
let a = 42u32;
let b: [u32; 4] = [0, 1, 2, 3];
let c = true;
let s1: TupleSimple = a.into();
assert_eq!(s1.0, a);
let s2: TupleNonPathType = b.into();
assert_eq!(s2.0, b);
let s3: TupleWithRef<u32> = (&a).into();
assert_eq!(s3.0, &a);
let s4: TupleSWithBound<u32> = a.into();
assert_eq!(s4.0, a);
let s5: RawIdentifier = a.into();
assert_eq!(s5.r#use, a);
let s6: Field = c.into();
assert_eq!(s6.foo, c);
let s7: Const<4> = b.into();
assert_eq!(s7.foo, b);
}
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