//!use std::{cell::Ref, convert::TryInto}; use git_hash::ObjectId;pub use git_object::Kind; use crate::{    easy,    easy::{Object, ObjectRef, TreeRef},}; mod errors;pub(crate) mod cache {    pub use git_pack::cache::object::MemoryCappedHashmap;}pub use errors::{conversion, find, write};mod impls;pub mod peel;mod tree; impl Object {    /// Infuse this owned object with an [`easy::Access`].    pub fn attach<A>(self, access: &A) -> easy::borrow::state::Result<ObjectRef<'_, A>>    where        A: easy::Access + Sized,    {        *access.state().try_borrow_mut_buf()? = self.data;        Ok(ObjectRef {            id: self.id,            kind: self.kind,            data: Ref::map(access.state().try_borrow_buf()?, |v| v.as_slice()),            access,        })    }} impl<'repo, A> ObjectRef<'repo, A>where    A: easy::Access + Sized,{    pub(crate) fn from_current_buf(        id: impl Into<ObjectId>,        kind: Kind,        access: &'repo A,    ) -> easy::borrow::state::Result<Self> {        Ok(ObjectRef {            id: id.into(),            kind,            data: Ref::map(access.state().try_borrow_buf()?, |v| v.as_slice()),            access,        })    }     /// Transform this object into a tree, or panic if it is none.    pub fn into_tree(self) -> TreeRef<'repo, A> {        match self.try_into() {            Ok(tree) => tree,            Err(this) => panic!("Tried to use {} as tree, but was {}", this.id, this.kind),        }    }     /// Transform this object into a tree, or return it as part of the `Err` if it is no tree.    pub fn try_into_tree(self) -> Result<TreeRef<'repo, A>, Self> {        self.try_into()    }} impl<'repo, A> ObjectRef<'repo, A> {    /// Create an owned instance of this object, copying our data in the process.    pub fn to_owned(&self) -> Object {        Object {            id: self.id,            kind: self.kind,            data: self.data.to_owned(),        }    }     /// Turn this instance into an owned one, copying our data in the process.    pub fn into_owned(self) -> Object {        Object {            id: self.id,            kind: self.kind,            data: self.data.to_owned(),        }    }     /// Sever the connection to `Easy` and turn this instance into a standalone object.    ///    /// Note that the data buffer will be copied in the process.    pub fn detach(self) -> Object {        self.into()    }} impl<'repo, A> ObjectRef<'repo, A>where    A: easy::Access + Sized,{    /// Obtain a fully parsed commit whose fields reference our data buffer,    ///    /// # Panic    ///    /// - this object is not a commit    /// - the commit could not be decoded    pub fn to_commit(&self) -> git_object::CommitRef<'_> {        self.try_to_commit().expect("BUG: need a commit")    }     /// Obtain a fully parsed commit whose fields reference our data buffer.    pub fn try_to_commit(&self) -> Result<git_object::CommitRef<'_>, conversion::Error> {        git_odb::data::Object::new(self.kind, &self.data)            .decode()?            .into_commit()            .ok_or(conversion::Error::UnexpectedType {                expected: git_object::Kind::Commit,                actual: self.kind,            })    }     /// Obtain a an iterator over commit tokens like in [`to_commit_iter()`][ObjectRef::try_to_commit_iter()].    ///    /// # Panic    ///    /// - this object is not a commit    pub fn to_commit_iter(&self) -> git_object::CommitRefIter<'_> {        git_odb::data::Object::new(self.kind, &self.data)            .try_into_commit_iter()            .expect("BUG: This object must be a commit")    }     /// Obtain a commit token iterator from the data in this instance, if it is a commit.    pub fn try_to_commit_iter(&self) -> Option<git_object::CommitRefIter<'_>> {        git_odb::data::Object::new(self.kind, &self.data).try_into_commit_iter()    }     /// Obtain a tag token iterator from the data in this instance.    ///    /// # Panic    ///    /// - this object is not a tag    pub fn to_tag_iter(&self) -> git_object::TagRefIter<'_> {        git_odb::data::Object::new(self.kind, &self.data)            .try_into_tag_iter()            .expect("BUG: this object must be a tag")    }     /// Obtain a tag token iterator from the data in this instance.    ///    /// # Panic    ///    /// - this object is not a tag    pub fn try_to_tag_iter(&self) -> Option<git_object::TagRefIter<'_>> {        git_odb::data::Object::new(self.kind, &self.data).try_into_tag_iter()    }     /// Obtain a tag object from the data in this instance.    ///    /// # Panic    ///    /// - this object is not a tag    /// - the tag could not be decoded    pub fn to_tag(&self) -> git_object::TagRef<'_> {        self.try_to_tag().expect("BUG: need tag")    }     /// Obtain a fully parsed tag object whose fields reference our data buffer.    pub fn try_to_tag(&self) -> Result<git_object::TagRef<'_>, conversion::Error> {        git_odb::data::Object::new(self.kind, &self.data)            .decode()?            .into_tag()            .ok_or(conversion::Error::UnexpectedType {                expected: git_object::Kind::Tag,                actual: self.kind,            })    }}