linux-kernel - [PATCH 0/4] rust: add `TryFrom` and `Into` derive macros

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Message-Id: <cover.1754228164.git.y.j3ms.n@gmail.com>
Date: Sun,  3 Aug 2025 14:20:50 +0000
From: Jesung Yang <y.j3ms.n@...il.com>
To: Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <lossin@...nel.org>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Danilo Krummrich <dakr@...nel.org>,
	Alexandre Courbot <acourbot@...dia.com>
Cc: linux-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org,
	nouveau@...ts.freedesktop.org,
	Jesung Yang <y.j3ms.n@...il.com>
Subject: [PATCH 0/4] rust: add `TryFrom` and `Into` derive macros

This patch series introduces derive macros for `TryFrom` and `Into`
traits.

A few enhancements were made to the custom `quote!()` macro to write
the derive macro. These include support for additional punctuation
tokens and a fix for an unused variable warning when quoting simple
forms. Detailed information about these enhancements is provided in the
relevant patches.

This series builds on the previous work [1], where the `FromPrimitive`
trait was considered too heavy for the current use cases. In response
to the emerging need for functionality similar to `ToPrimitive`, this
series also implements the `Into` derive macro.

The original discussion can be found on Zulip [2].

[1] https://lore.kernel.org/rust-for-linux/cover.1750689857.git.y.j3ms.n@gmail.com/
[2] https://rust-for-linux.zulipchat.com/#narrow/channel/288089/topic/x/near/524335626

Jesung Yang (4):
  rust: macros: extend custom `quote!()` macro
  rust: macros: prefix variable `span` with underscore
  rust: macro: add derive macro for `TryFrom`
  rust: macro: add derive macro for `Into`

 rust/macros/convert.rs | 361 +++++++++++++++++++++++++++++++++++++++++
 rust/macros/lib.rs     | 239 +++++++++++++++++++++++++++
 rust/macros/quote.rs   |  40 ++++-
 3 files changed, 638 insertions(+), 2 deletions(-)
 create mode 100644 rust/macros/convert.rs

base-commit: dff64b072708ffef23c117fa1ee1ea59eb417807
-- 
2.39.5