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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2025-08-06 10:08:54 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2025-08-06 10:08:54 -0700
commitab93e0dd72c37d378dd936f031ffb83ff2bd87ce (patch)
tree4e5ed022e3c48cedd519954e4fb529dac0240c94 /rust/kernel/static_assert.rs
parentbcce05041b21888f10b80ea903dcfe51a25c586e (diff)
parent4f67c41894674d351a4b4e7dd3471380b71b5bb3 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.17 merge window.
Diffstat (limited to 'rust/kernel/static_assert.rs')
-rw-r--r--rust/kernel/static_assert.rs9
1 files changed, 7 insertions, 2 deletions
diff --git a/rust/kernel/static_assert.rs b/rust/kernel/static_assert.rs
index 3115ee0ba8e9..a57ba14315a0 100644
--- a/rust/kernel/static_assert.rs
+++ b/rust/kernel/static_assert.rs
@@ -6,6 +6,10 @@
///
/// Similar to C11 [`_Static_assert`] and C++11 [`static_assert`].
///
+/// An optional panic message can be supplied after the expression.
+/// Currently only a string literal without formatting is supported
+/// due to constness limitations of the [`assert!`] macro.
+///
/// The feature may be added to Rust in the future: see [RFC 2790].
///
/// [`_Static_assert`]: https://en.cppreference.com/w/c/language/_Static_assert
@@ -25,10 +29,11 @@
/// x + 2
/// }
/// static_assert!(f(40) == 42);
+/// static_assert!(f(40) == 42, "f(x) must add 2 to the given input.");
/// ```
#[macro_export]
macro_rules! static_assert {
- ($condition:expr) => {
- const _: () = core::assert!($condition);
+ ($condition:expr $(,$arg:literal)?) => {
+ const _: () = ::core::assert!($condition $(,$arg)?);
};
}