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#![allow(clippy::manual_non_exhaustive)]
use ref_cast::RefCast;
use std::marker::PhantomData;
type Marker = PhantomData<str>;
#[derive(RefCast)]
#[repr(transparent)]
pub struct ImplicitUnit {
pub value: usize,
_private: (),
}
#[derive(RefCast)]
#[repr(transparent)]
pub struct ImplicitPhantomData<T> {
pub value: T,
pub marker: PhantomData<T>,
}
#[derive(RefCast)]
#[repr(transparent)]
pub struct ExplicitTrivial {
pub value: usize,
#[trivial]
pub marker: Marker,
}
#[derive(RefCast)]
#[repr(C)]
pub struct Override<U, V> {
#[trivial]
pub first: PhantomData<U>,
pub second: PhantomData<V>,
}
#[derive(RefCast)]
#[repr(transparent)]
pub struct Unsized<'a> {
pub marker: PhantomData<&'a str>,
pub value: str,
}
#[test]
fn test_trivial() {
ImplicitUnit::ref_cast(&0);
ImplicitPhantomData::ref_cast(&0);
ExplicitTrivial::ref_cast(&0);
Override::<u8, i8>::ref_cast(&PhantomData::<i8>);
Unsized::ref_cast("...");
}