clippy: lifetime warnings

phip1611 · phip1611 · commit fb94925b597d · 2025-10-04T20:54:42.000+02:00
fix various "hiding a lifetime that's elided elsewhere is confusing"
diff --git a/multiboot2-common/CHANGELOG.md b/multiboot2-common/CHANGELOG.md
@@ -1,25 +1,34 @@
 # Changelog for Crate `multiboot2-common`
 
+## Unreleased
+
+- Small code improvements
+
+
 ## v0.3.0 (2025-06-01)
 
 - **Breaking:** Removed the optional `unstable` feature (required nightly)
   - `core::error::Error` is now implemented unconditionally
 - **Breaking:** The MSRV is now 1.85
 
+
 ## v0.2.1 (2024-09-19)
 
 - Documentation improvements
 
+
 ## v0.2.0 (2024-09-17)
 
 - dependency updates
 - **Breaking:** MSRV is now 1.75
 - misc metadata fixes
 
+
 ## v0.1.2 (2024-08-24)
 
 - Documentation improvements
 
+
 ## 0.1.0 / 0.1.1 (2024-08-20)
 
 Initial release.
diff --git a/multiboot2-common/src/lib.rs b/multiboot2-common/src/lib.rs
@@ -330,7 +330,7 @@ pub struct DynSizedStructure<H: Header> {
 impl<H: Header> DynSizedStructure<H> {
     /// Creates a new fat-pointer backed reference to a [`DynSizedStructure`]
     /// from the given [`BytesRef`].
-    pub fn ref_from_bytes(bytes: BytesRef<H>) -> Result<&Self, MemoryError> {
+    pub fn ref_from_bytes(bytes: BytesRef<'_, H>) -> Result<&Self, MemoryError> {
         let ptr = bytes.as_ptr().cast::<H>();
         let hdr = unsafe { &*ptr };
 
diff --git a/multiboot2-common/src/tag.rs b/multiboot2-common/src/tag.rs
@@ -62,7 +62,7 @@ pub trait MaybeDynSized: Pointee {
     /// Returns the whole allocated bytes for this structure encapsulated in
     /// [`BytesRef`]. This includes padding bytes. To only get the "true" tag
     /// data, read the tag size from [`Self::header`] and create a sub slice.
-    fn as_bytes(&self) -> BytesRef<Self::Header> {
+    fn as_bytes(&self) -> BytesRef<'_, Self::Header> {
         let ptr = core::ptr::addr_of!(*self);
         // Actual tag size with optional terminating padding.
         let size = mem::size_of_val(self);
diff --git a/multiboot2-header/CHANGELOG.md b/multiboot2-header/CHANGELOG.md
@@ -1,21 +1,29 @@
 # Changelog for Crate `multiboot2-header`
 
+## Unreleased
+
+- Small code improvements
+
+
 ## v0.7.0 (2025-06-01)
 
 - **Breaking:** Removed the optional `unstable` feature (required nightly)
   - `core::error::Error` is now implemented unconditionally
 - **Breaking:** The MSRV is now 1.85
 
+
 ## v0.6.0 (2024-09-17)
 
 - dependency updates
 - **Breaking:** MSRV is now 1.75
 - misc metadata fixes
 
+
 ## v0.5.1 (2024-08-24)
 
 - Documentation improvements
 
+
 ## v0.5.0 (2024-05-20)
 
 This release contains a major refactoring of the internals, guaranteeing
@@ -37,23 +45,27 @@ All previous versions have been marked as **YANKED**. `0.5.0` is the first
 version where all unit tests are passed by Miri, i.e., the first version
 without Undefined Behavior.
 
+
 ## 0.4.0 (2024-05-01) (**YANKED**)
 
 - added `EndHeaderTag::default()`
 - MSRV is 1.70
 - Can add multiple `TagType::Smbios` tags in the builder.
 
+
 ## 0.3.2 (2023-11-30) (**YANKED**)
 
 - **BREAKING** bumped `multiboot2` dependency to `v0.19.0`
 - the `multiboot2` dependency doesn't pull in the `multiboot2/builder` feature
   anymore
 - doc update
 
+
 ## 0.3.1 (2023-06-28) (**YANKED**)
 
 - doc update
 
+
 ## 0.3.0 (2023-06-23) (**YANKED**)
 
 - **BREAKING** MSRV is 1.68.0 (UPDATE: This is actually 1.69.)
@@ -67,6 +79,7 @@ without Undefined Behavior.
 - added the optional `unstable` feature (requires nightly)
   - implement `core::error::Error` for `LoadError`
 
+
 ## 0.2.0 (2022-05-03) (**YANKED**)
 
 - **BREAKING** renamed `EntryHeaderTag` to `EntryAddressHeaderTag`
@@ -75,6 +88,7 @@ without Undefined Behavior.
   -> thus, import paths are much more logically now
 - internal code improvements
 
+
 ## 0.1.1 (2022-05-02) (**YANKED**)
 
 - fixed a bug that prevented the usage of the crate in `no_std` environments
@@ -83,10 +97,12 @@ without Undefined Behavior.
   (this feature can be disabled which will also remove the dependency to
   the `alloc` crate)
 
+
 ## 0.1.0 (2021-10-08) (**YANKED**)
 
 - initial release
 
+
 ## 0.0.0
 
 Empty release to save the name on crates.io
diff --git a/multiboot2-header/src/header.rs b/multiboot2-header/src/header.rs
@@ -103,7 +103,7 @@ impl<'a> Multiboot2Header<'a> {
 
     /// Returns a [`TagIter`].
     #[must_use]
-    pub fn iter(&self) -> TagIter {
+    pub fn iter(&self) -> TagIter<'_> {
         TagIter::new(self.0.payload())
     }
 
diff --git a/multiboot2/CHANGELOG.md b/multiboot2/CHANGELOG.md
@@ -1,12 +1,18 @@
 # Changelog for Crate `multiboot2`
 
+## Unreleased
+
+- Small code improvements
+
+
 ## v0.24.0 (2025-06-01)
 
 - **Breaking:** Removed the optional `unstable` feature (required nightly)
   - `core::error::Error` is now implemented unconditionally
 - **Breaking:** The MSRV is now 1.85
 - Fixed a bug causing UB in `ElfSection::name()`
 
+
 ## v0.23.1 (2024-10-21)
 
 - Fix wrong tag ID when using `BootdevTag::new`
@@ -15,6 +21,7 @@
   `.sections()` to iterate the sections
 - Fixed the debug output of `BootInformation`
 
+
 ## v0.23.0 (2024-09-17)
 
 - dependency updates
@@ -26,15 +33,18 @@
 - `BootInformation::tags` iterator is now public
 - misc metadata fixes
 
+
 ## v0.22.2 (2024-08-24)
 
 - Documentation improvements
 - Improve debug formatting for EFIMemoryMapTag
 
+
 ## v0.22.1 (2024-08-20)
 
 Minor documentation fixes.
 
+
 ## v0.22.0 (2024-08-20)
 
 This release contains another major refactoring of the internals, guaranteeing
@@ -73,6 +83,7 @@ All previous versions have been marked as **YANKED**. `0.22.0` is the first
 version where all unit tests are passed by Miri, i.e., the first version
 without Undefined Behavior.
 
+
 ## 0.21.0 (2024-08-17) (**YANKED**)
 
 This release contains a massive refactoring of various internals. Now, almost
@@ -104,10 +115,12 @@ release and you'll be fine!**
 - documentation enhancements
 - updated dependencies
 
+
 ## 0.20.2 (2024-05-26) (**YANKED**)
 
 - fix Debug implementation of `EfiMemoryMapTag`
 
+
 ## 0.20.1 (2024-05-26) (**YANKED**)
 
 - fixed the handling of `EFIMemoryMapTag` and `EFIMemoryAreaIter`
@@ -116,11 +129,13 @@ release and you'll be fine!**
   `EFIMemoryMapTag::new_from_map`.
 - `ModuleTag::new`'s `end` parameter now must be bigger than `start`.
 
+
 ## 0.20.0 (2024-05-01) (**YANKED**)
 
 - added `InformationBuilder::default()`
 - MSRV is 1.70
 
+
 ## 0.19.0 (2023-09-21) (**YANKED**)
 
 - **BREAKING** MSRV is 1.69.0
@@ -135,10 +150,12 @@ release and you'll be fine!**
 - `InformationBuilder` now also allows to add custom tags. The new public method
   `add_tag` was introduced for that.
 
+
 ## 0.18.1 (2023-07-13) (**YANKED**)
 
 - Documentation improvements
 
+
 ## 0.18.0 (2023-07-13) (**YANKED**)
 
 - **BREAKING** The `TagTrait` was enhanced and now has an associated `ID`
@@ -160,13 +177,15 @@ release and you'll be fine!**
 - Better debug output of `BootInformation` and `MemoryArea`
 - Internal code cleanup.
 
+
 ## 0.17.0 (2023-07-12) (**YANKED**)
 
 - **BREAKING** Make functions of `InformationBuilder` chainable. They now
   consume the builder.
 - **BREAKING** Allow non-standard memory area types by using new pair of
   corresponding types: `MemoryAreaTypeId` and `MemoryAreaType`.
 
+
 ## 0.16.0 (2023-06-23) (**YANKED**)
 
 - **BREAKING** renamed `MULTIBOOT2_BOOTLOADER_MAGIC` to `MAGIC`
@@ -205,6 +224,7 @@ release and you'll be fine!**
 - added `BootInformation::load` as new default constructor
 - added `MemoryMapTag::entry_size` and `MemoryMapTag::entry_version`
 
+
 ## 0.15.1 (2023-03-18) (**YANKED**)
 
 - **BREAKING** `MemoryMapTag::all_memory_areas()` was renamed to `memory_areas`
@@ -220,6 +240,7 @@ release and you'll be fine!**
   value. This prevents possible panics.
 - fix: prevent a possible panic in `ElfSection::section_type()`
 
+
 ## 0.15.0 (2023-03-17) (**YANKED**)
 
 - **BREAKING** MSRV is 1.56.1
@@ -242,6 +263,7 @@ release and you'll be fine!**
   (check docs.rs). There is also a small unit test that you can use to learn
   from.
 
+
 ## 0.14.2 (2023-03-17) (**YANKED**)
 
 - documentation fixes
@@ -250,13 +272,15 @@ release and you'll be fine!**
   With this feature, `MbiLoadError` now implements `core::error::Error` and can
   be used with `anyhow::Result` for example.
 
+
 ## 0.14.1 (2023-03-09) (**YANKED**)
 
 - fixed the calculation of the last area of the memory map
   tag ([#119](https://github.com/rust-osdev/multiboot2/pull/119))
   (Previously, iterating the EFI Memory map resulted in a superfluous entry as
   it ran over the next tag)
 
+
 ## 0.14.0 (2022-06-30) (**YANKED**)
 
 - **BREAKING CHANGES** \
@@ -273,25 +297,30 @@ release and you'll be fine!**
   - `RsdpV2Tag::oem_id` now returns a Result instead of an Option
 - internal code improvements
 
+
 ## 0.13.3 (2022-06-03) (**YANKED**)
 
 - impl `Send` for `BootInformation`
 
+
 ## 0.13.2 (2022-05-02) (**YANKED**)
 
 - `TagType` now implements `Ord` so that it can be used in `BTreeSet`
 - small internal improvements and restructuring of the code (no breaking changes
   to public API)
 
+
 ## 0.13.1 (2022-01-09) (**YANKED**)
 
 - minor fix
 
+
 ## 0.13.0 (2022-01-09) (**YANKED**)
 
 - added missing getters for tag `ImageLoadPhysAddr`
 - added missing getters for tags `EFIImageHandle32` and `EFIImageHandle64`
 
+
 ## 0.12.2 (2021-10-02) (**YANKED**)
 
 - `TagType` now implements `Eq` and `Hash`
@@ -305,18 +334,21 @@ release and you'll be fine!**
   - prepared co-existence of crates `multiboot2` and `multiboot2-header`
     in a Cargo workspace inside the same repository
 
+
 ## 0.12.1 (2021-08-11) (**YANKED**)
 
 - `TagType`-enum introduced in `v0.11` is now actually public
 - internal code improvements
 
+
 ## 0.12.0 (2021-08-06) (**YANKED**)
 
 - **breaking:** `load()` and `load_with_offset` now returns a result
 - added public constant `MULTIBOOT2_BOOTLOADER_MAGIC`
 - Rust edition 2018 (instead of 2015)
 - internal code improvements
 
+
 ## 0.11.0 (2021-07-07) (**YANKED**)
 
 - **breaking:** iterator functions (e.g. `ElfSectionsTag::sections()`)
@@ -326,16 +358,19 @@ release and you'll be fine!**
 - much improved debug-formatting of `BootInformation`
 - internal code improvements / formatting
 
+
 ## 0.10.0 (2020-11-03) (**YANKED**)
 
 - allow access to all memory regions (MemoryMap-Tag)
 - internal code improvements
 
+
 ## 0.9.0 (2020-07-06)
 
 - Add a `checksum_is_valid` method to the RSDP
   tags ([#64](https://github.com/rust-osdev/multiboot2/pull/64))
 
+
 ## 0.8.2 (2022-03-02)
 
 - Add some basic
diff --git a/multiboot2/src/boot_information.rs b/multiboot2/src/boot_information.rs
@@ -254,7 +254,7 @@ impl<'a> BootInformation<'a> {
     /// ```
     #[must_use]
     #[deprecated = "Use elf_sections_tag() instead and corresponding getters"]
-    pub fn elf_sections(&self) -> Option<ElfSectionIter> {
+    pub fn elf_sections(&self) -> Option<ElfSectionIter<'_>> {
         let tag = self.get_tag::<ElfSectionsTag>();
         tag.map(|t| {
             assert!((t.entry_size() * t.shndx()) <= t.header().size);
@@ -295,7 +295,7 @@ impl<'a> BootInformation<'a> {
     ///
     /// [`ModuleTag`]: crate::ModuleTag
     #[must_use]
-    pub fn module_tags(&self) -> ModuleIter {
+    pub fn module_tags(&self) -> ModuleIter<'_> {
         module::module_iter(self.tags())
     }
 
@@ -411,7 +411,7 @@ impl<'a> BootInformation<'a> {
     /// times, even tho this is unusual. However, it is recommended to use the
     /// tag getters as normal bootloaders provide most tags only once.
     #[must_use]
-    pub fn tags(&self) -> TagIter {
+    pub fn tags(&self) -> TagIter<'_> {
         TagIter::new(self.0.payload())
     }
 }
diff --git a/multiboot2/src/elf_sections.rs b/multiboot2/src/elf_sections.rs
diff --git a/multiboot2/src/framebuffer.rs b/multiboot2/src/framebuffer.rs
diff --git a/multiboot2/src/memory_map.rs b/multiboot2/src/memory_map.rs

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ impl<'a> Multiboot2Header<'a> {`
`103`	`103`
`104`	`104`	/// Returns a [`TagIter`].
`105`	`105`	`#[must_use]`
`106`		`- pub fn iter(&self) -> TagIter {`
	`106`	`+ pub fn iter(&self) -> TagIter<'_> {`
`107`	`107`	`TagIter::new(self.0.payload())`
`108`	`108`	`}`
`109`	`109`