| From | Miguel Ojeda <> | Subject | [PATCH v1 22/28] rust: str: add `fmt!` macro | Date | Thu, 10 Nov 2022 17:41:34 +0100 |
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From: Wedson Almeida Filho <wedsonaf@gmail.com>
Add the `fmt!` macro, which is a convenience alias for the Rust `core::format_args!` macro.
For instance, it may be used to create a `CString`:
CString::try_from_fmt(fmt!("{}{}", "abc", 42))?
Signed-off-by: Wedson Almeida Filho <wedsonaf@gmail.com> [Reworded, adapted for upstream and applied latest changes] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> --- rust/kernel/str.rs | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/rust/kernel/str.rs b/rust/kernel/str.rs index 877148b77e71..ffac633423db 100644 --- a/rust/kernel/str.rs +++ b/rust/kernel/str.rs @@ -592,3 +592,9 @@ impl Deref for CString { unsafe { CStr::from_bytes_with_nul_unchecked(self.buf.as_slice()) } } } + +/// A convenience alias for [`core::format_args`]. +#[macro_export] +macro_rules! fmt { + ($($f:tt)*) => ( core::format_args!($($f)*) ) +} -- 2.38.1
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