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use core::marker::PhantomData;

use crate::{
    CellBuilder, CellBuilderError, CellDeserializeAs, CellParser, CellParserError, CellSerializeAs,
    Same,
};

pub struct Ref<As: ?Sized = Same>(PhantomData<As>);

impl<T, As> CellSerializeAs<T> for Ref<As>
where
    As: CellSerializeAs<T> + ?Sized,
{
    #[inline]
    fn store_as(source: &T, builder: &mut CellBuilder) -> Result<(), CellBuilderError> {
        builder.store_reference_as::<&T, &As>(source)?;
        Ok(())
    }
}

impl<'de, T, As> CellDeserializeAs<'de, T> for Ref<As>
where
    As: CellDeserializeAs<'de, T> + ?Sized,
{
    #[inline]
    fn parse_as(parser: &mut CellParser<'de>) -> Result<T, CellParserError<'de>> {
        parser.parse_reference_as::<T, As>()
    }
}