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use core::marker::PhantomData;

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

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

impl<T, As> CellSerializeAs<T> for Data<As>
where
    As: BitPackAs<T> + ?Sized,
    T: ?Sized,
{
    #[inline]
    fn store_as(source: &T, builder: &mut CellBuilder) -> Result<(), CellBuilderError> {
        As::pack_as(source, builder)
    }
}

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