rust/tests/ui/delegation/macro-inside-list.rs
Vadim Petrochenkov c30b41012d delegation: Implement list delegation
```rust
reuse prefix::{a, b, c}
```
2024-05-15 02:32:59 +03:00

27 lines
447 B
Rust

//@ check-pass
#![feature(fn_delegation)]
#![allow(incomplete_features)]
trait Trait {
fn foo(&self) -> u8 { 0 }
fn bar(&self) -> u8 { 1 }
}
impl Trait for u8 {}
struct S(u8);
// Macro expansion works inside delegation items.
macro_rules! u8 { () => { u8 } }
macro_rules! self_0 { () => { &self.0 } }
impl Trait for S {
reuse <u8!() as Trait>::{foo, bar} { self_0!() }
}
fn main() {
let s = S(2);
s.foo();
s.bar();
}