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To support a potential usage:
static foo: Opaque<Foo> = ..; // Or defined in an extern block.
...
fn bar() {
let ptr = foo.get();
}
`Opaque::get` need to be `const`, otherwise compiler will complain
because calls on statics are limited to const functions.
Also `Opaque::get` should be naturally `const` since it's a composition
of two `const` functions: `UnsafeCell::get` and `ptr::cast`.
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Wedson Almeida Filho <walmeida@microsoft.com>
Reviewed-by: Benno Lossin <benno.lossin@proton.me>
Link: https://lore.kernel.org/r/20240401214543.1242286-1-boqun.feng@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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| .. | ||
| bindings | ||
| kernel | ||
| macros | ||
| uapi | ||
| .gitignore | ||
| bindgen_parameters | ||
| build_error.rs | ||
| compiler_builtins.rs | ||
| exports.c | ||
| helpers.c | ||
| Makefile | ||