use crate::data;use git_hash::ObjectId; /// An item representing a future Entry in the leanest way possible.////// One can expect to have one of these in memory when building big objects, so smaller is better here./// They should contain everything of importance to generate a pack as fast as possible.#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone)]#[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]pub struct Count {    /// The hash of the object to write    pub id: ObjectId,    /// A way to locate a pack entry in the object database, only available if the object is in a pack.    pub entry_pack_location: Option<crate::bundle::Location>,} impl Count {    /// Create a new instance from the given `oid` and its corresponding git `obj`ect data.    pub fn from_data(oid: impl Into<ObjectId>, obj: &data::Object<'_>) -> Self {        Count {            id: oid.into(),            entry_pack_location: obj.pack_location.clone(),        }    }} ///pub mod iter_from_objects;pub use iter_from_objects::iter_from_objects;