diff options
Diffstat (limited to 'rust/macros/lib.rs')
-rw-r--r-- | rust/macros/lib.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/rust/macros/lib.rs b/rust/macros/lib.rs index b4bc44c27bd4..c42105c2ff96 100644 --- a/rust/macros/lib.rs +++ b/rust/macros/lib.rs @@ -11,6 +11,7 @@ mod paste; mod pin_data; mod pinned_drop; mod vtable; +mod zeroable; use proc_macro::TokenStream; @@ -343,3 +344,22 @@ pub fn paste(input: TokenStream) -> TokenStream { paste::expand(&mut tokens); tokens.into_iter().collect() } + +/// Derives the [`Zeroable`] trait for the given struct. +/// +/// This can only be used for structs where every field implements the [`Zeroable`] trait. +/// +/// # Examples +/// +/// ```rust,ignore +/// #[derive(Zeroable)] +/// pub struct DriverData { +/// id: i64, +/// buf_ptr: *mut u8, +/// len: usize, +/// } +/// ``` +#[proc_macro_derive(Zeroable)] +pub fn derive_zeroable(input: TokenStream) -> TokenStream { + zeroable::derive(input) +} |