From 1b43c6bc2bed607afd3d06423826b96951097dcb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20S=C3=A1=20de=20Mello?= <codasm@pm.me>
Date: Tue, 15 Oct 2024 00:51:15 +0100
Subject: [PATCH 1/5] boxing

---
 src/pointer.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/pointer.rs b/src/pointer.rs
index 120534b..ff2a5ba 100644
--- a/src/pointer.rs
+++ b/src/pointer.rs
@@ -515,6 +515,14 @@ impl Pointer {
     pub fn is_empty(&self) -> bool {
         self.0.is_empty()
     }
+
+    /// Converts a `Box<Pointer>` into a `PointerBuf` without copying or allocating.
+    pub fn into_buf(self: Box<Pointer>) -> PointerBuf {
+        let inner = Box::into_raw(self);
+        // SAFETY: we ensure the layout of `Pointer` is the same as `str`
+        let inner = unsafe { Box::<str>::from_raw(inner as *mut str) };
+        PointerBuf(inner.into_string())
+    }
 }
 
 #[cfg(feature = "serde")]
@@ -943,6 +951,14 @@ impl Deref for PointerBuf {
     }
 }
 
+impl From<PointerBuf> for Box<Pointer> {
+    fn from(value: PointerBuf) -> Self {
+        let s = value.0.into_boxed_str();
+        // SAFETY> we ensure that the layout of `str` is the same as `Pointer`
+        unsafe { Box::from_raw(Box::into_raw(s) as *mut Pointer) }
+    }
+}
+
 #[cfg(feature = "serde")]
 impl<'de> serde::Deserialize<'de> for PointerBuf {
     fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
@@ -2135,4 +2151,12 @@ mod tests {
         let borrowed: &Pointer = ptr.borrow();
         assert_eq!(borrowed, "/foo/bar");
     }
+
+    #[test]
+    fn from_box_to_buf() {
+        let original = PointerBuf::parse("/foo/bar/0").unwrap();
+        let boxed: Box<Pointer> = original.clone().into();
+        let unboxed = boxed.into_buf();
+        assert_eq!(original, unboxed);
+    }
 }

From 0c3feee16fb402358bdc450f7733ce5ab6c49e1f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20S=C3=A1=20de=20Mello?= <codasm@pm.me>
Date: Tue, 15 Oct 2024 00:57:02 +0100
Subject: [PATCH 2/5] add changelog entry

---
 CHANGELOG.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5306efd..ffe7968 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+# [Unreleased]
+
+-   Adds method `into_buf` for `Box<Pointer>` and `impl From<PathBuf> for Box<Pointer>`. 
+
 ## [0.6.2] 2024-09-30
 
 ### Added

From 9a4e4c116a91dd893812334c530401b079c08c39 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20S=C3=A1=20de=20Mello?= <codasm@pm.me>
Date: Tue, 15 Oct 2024 01:00:51 +0100
Subject: [PATCH 3/5] tweak changelog

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ffe7968..a37116c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 # [Unreleased]
 
+### Added
+
 -   Adds method `into_buf` for `Box<Pointer>` and `impl From<PathBuf> for Box<Pointer>`. 
 
 ## [0.6.2] 2024-09-30

From 4230a100f9a3d108f634623afe13150cd4be15d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20S=C3=A1=20de=20Mello?= <codasm@pm.me>
Date: Tue, 15 Oct 2024 01:03:41 +0100
Subject: [PATCH 4/5] import Box explicitly

---
 src/pointer.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/pointer.rs b/src/pointer.rs
index ff2a5ba..084096a 100644
--- a/src/pointer.rs
+++ b/src/pointer.rs
@@ -1,6 +1,7 @@
 use crate::{token::InvalidEncodingError, Components, Token, Tokens};
 use alloc::{
     borrow::ToOwned,
+    boxed::Box,
     fmt,
     string::{String, ToString},
     vec::Vec,

From e7045865107f2371825b5147c7389969f04bfe8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Mello?=
 <3285133+asmello@users.noreply.github.com>
Date: Tue, 15 Oct 2024 21:36:02 +0100
Subject: [PATCH 5/5] fix typo

---
 src/pointer.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pointer.rs b/src/pointer.rs
index 903a937..256402c 100644
--- a/src/pointer.rs
+++ b/src/pointer.rs
@@ -952,7 +952,7 @@ impl Deref for PointerBuf {
 impl From<PointerBuf> for Box<Pointer> {
     fn from(value: PointerBuf) -> Self {
         let s = value.0.into_boxed_str();
-        // SAFETY> we ensure that the layout of `str` is the same as `Pointer`
+        // SAFETY: we ensure that the layout of `str` is the same as `Pointer`
         unsafe { Box::from_raw(Box::into_raw(s) as *mut Pointer) }
     }
 }