linux-kernel - [PATCH v2 3/7] rust: str: make doctests compilable/testable

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Message-ID: <20230718052752.1045248-4-ojeda@kernel.org>
Date:   Tue, 18 Jul 2023 07:27:48 +0200
From:   Miguel Ojeda <ojeda@...nel.org>
To:     David Gow <davidgow@...gle.com>,
        Brendan Higgins <brendan.higgins@...ux.dev>,
        Miguel Ojeda <ojeda@...nel.org>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        Alex Gaynor <alex.gaynor@...il.com>
Cc:     Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        Alice Ryhl <aliceryhl@...gle.com>,
        Andreas Hindborg <nmi@...aspace.dk>,
        kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org,
        rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        patches@...ts.linux.dev,
        Martin Rodriguez Reboredo <yakoyoku@...il.com>,
        Vincenzo Palazzo <vincenzopalazzodev@...il.com>
Subject: [PATCH v2 3/7] rust: str: make doctests compilable/testable

Rust documentation tests are going to be build/run-tested
with the KUnit integration added in a future patch, thus
update them to make them compilable/testable so that we
may start enforcing it.

Reviewed-by: Björn Roy Baron <bjorn3_gh@...tonmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@...il.com>
Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@...il.com>
Reviewed-by: David Gow <davidgow@...gle.com>
Signed-off-by: Miguel Ojeda <ojeda@...nel.org>
---
 rust/kernel/str.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs
index c9dd3bf59e34..c41607b2e4fe 100644
--- a/rust/kernel/str.rs
+++ b/rust/kernel/str.rs
@@ -213,6 +213,7 @@ impl fmt::Display for CStr {
     ///
     /// ```
     /// # use kernel::c_str;
+    /// # use kernel::fmt;
     /// # use kernel::str::CStr;
     /// # use kernel::str::CString;
     /// let penguin = c_str!("🐧");
@@ -241,6 +242,7 @@ impl fmt::Debug for CStr {
     ///
     /// ```
     /// # use kernel::c_str;
+    /// # use kernel::fmt;
     /// # use kernel::str::CStr;
     /// # use kernel::str::CString;
     /// let penguin = c_str!("🐧");
@@ -529,7 +531,7 @@ fn write_str(&mut self, s: &str) -> fmt::Result {
 /// # Examples
 ///
 /// ```
-/// use kernel::str::CString;
+/// use kernel::{str::CString, fmt};
 ///
 /// let s = CString::try_from_fmt(fmt!("{}{}{}", "abc", 10, 20)).unwrap();
 /// assert_eq!(s.as_bytes_with_nul(), "abc1020\0".as_bytes());
-- 
2.41.0