mirror of https://github.com/rust-lang/rust
18 lines
349 B
Rust
18 lines
349 B
Rust
#![feature(decl_macro)]
|
|
|
|
macro n($foo:ident, $S:ident, $i:ident, $m:ident) {
|
|
mod $foo {
|
|
#[derive(Default)]
|
|
pub struct $S { $i: u32 }
|
|
pub macro $m($e:expr) { $e.$i }
|
|
}
|
|
}
|
|
|
|
n!(foo, S, i, m);
|
|
|
|
fn main() {
|
|
use foo::{S, m};
|
|
S::default().i; //~ ERROR field `i` of struct `S` is private
|
|
m!(S::default()); // ok
|
|
}
|