[PATCH RFC 03/11] rust: num: Add Bounded::USABLE_BITS
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From: Thomas Weißschuh <linux@weissschuh.net>
Date: 2026-10-11 12:53:09
Also in:
driver-core, linux-kselftest, lkml, rust-for-linux
Subsystem:
rust, rust [num], the rest · Maintainers:
Miguel Ojeda, Alexandre Courbot, Linus Torvalds
Expose the types usable bits as an associated constant. This can be used for example with static_assert!() to validate the Bounded type against bindings constants it reflects. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> --- rust/kernel/num/bounded.rs | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/rust/kernel/num/bounded.rs b/rust/kernel/num/bounded.rs
index 2a2b0a4bca5e..4045e5aeb7dc 100644
--- a/rust/kernel/num/bounded.rs
+++ b/rust/kernel/num/bounded.rs@@ -285,6 +285,9 @@ impl<T, const N: u32> Bounded<T, N> where T: Integer, { + /// Number of usable bits in this [`Bounded`] type. + pub const USABLE_BITS: u32 = N; + /// Private constructor enforcing the type invariants. /// /// All instances of [`Bounded`] must be created through this method as it enforces most of the
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2.56.0