rust/tests/ui/hygiene/legacy_interaction.rs

42 lines
841 B
Rust

//@ check-pass
#![allow(dead_code)]
//@ aux-build:legacy_interaction.rs
#![feature(decl_macro)]
#[allow(unused)]
extern crate legacy_interaction;
// ^ defines
// ```rust
// macro_rules! m {
// () => {
// fn f() {} // (1)
// g() // (2)
// }
// }
// ```rust
mod def_site {
// Unless this macro opts out of hygiene, it should resolve the same wherever it is invoked.
pub macro m2() {
::legacy_interaction::m!();
f(); // This should resolve to (1)
fn g() {} // We want (2) resolve to this, not to (4)
}
}
mod use_site {
fn test() {
fn f() -> bool { true } // (3)
fn g() -> bool { true } // (4)
::def_site::m2!();
let _: bool = f(); // This should resolve to (3)
let _: bool = g(); // This should resolve to (4)
}
}
fn main() {}