use std::{io::Read, ops::Deref, rc::Rc, sync::Arc}; use gix_hash::ObjectId; use crate::{Kind, WriteTo}; impl<T> crate::Write for &Twhere    T: crate::Write,{    fn write(&self, object: &dyn WriteTo) -> Result<ObjectId, crate::write::Error> {        (*self).write(object)    }     fn write_buf(&self, object: Kind, from: &[u8]) -> Result<ObjectId, crate::write::Error> {        (*self).write_buf(object, from)    }     fn write_stream(&self, kind: Kind, size: u64, from: &mut dyn Read) -> Result<ObjectId, crate::write::Error> {        (*self).write_stream(kind, size, from)    }} impl<T> crate::Write for Arc<T>where    T: crate::Write,{    fn write(&self, object: &dyn WriteTo) -> Result<ObjectId, crate::write::Error> {        self.deref().write(object)    }     fn write_buf(&self, object: Kind, from: &[u8]) -> Result<ObjectId, crate::write::Error> {        self.deref().write_buf(object, from)    }     fn write_stream(&self, kind: Kind, size: u64, from: &mut dyn Read) -> Result<ObjectId, crate::write::Error> {        self.deref().write_stream(kind, size, from)    }} impl<T> crate::Write for Rc<T>where    T: crate::Write,{    fn write(&self, object: &dyn WriteTo) -> Result<ObjectId, crate::write::Error> {        self.deref().write(object)    }     fn write_buf(&self, object: Kind, from: &[u8]) -> Result<ObjectId, crate::write::Error> {        self.deref().write_buf(object, from)    }     fn write_stream(&self, kind: Kind, size: u64, from: &mut dyn Read) -> Result<ObjectId, crate::write::Error> {        self.deref().write_stream(kind, size, from)    }} impl<T> WriteTo for &Twhere    T: WriteTo,{    fn write_to(&self, out: &mut dyn std::io::Write) -> std::io::Result<()> {        <T as WriteTo>::write_to(self, out)    }     fn kind(&self) -> Kind {        <T as WriteTo>::kind(self)    }     fn size(&self) -> u64 {        <T as WriteTo>::size(self)    }}