mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-31 04:57:19 +00:00
29 lines
524 B
Rust
29 lines
524 B
Rust
// Macro attributes are allowed after `#[derive]` and
|
|
// `#[derive]` fully configures the item for following attributes.
|
|
|
|
//@ check-pass
|
|
//@ compile-flags: -Z span-debug
|
|
//@ proc-macro: test-macros.rs
|
|
|
|
#![no_std] // Don't load unnecessary hygiene information from std
|
|
extern crate std;
|
|
|
|
#[macro_use]
|
|
extern crate test_macros;
|
|
|
|
#[print_attr]
|
|
#[derive(Print)]
|
|
struct AttributeDerive {
|
|
#[cfg(false)]
|
|
field: u8,
|
|
}
|
|
|
|
#[derive(Print)]
|
|
#[print_attr]
|
|
struct DeriveAttribute {
|
|
#[cfg(false)]
|
|
field: u8,
|
|
}
|
|
|
|
fn main() {}
|