rust/tests/ui/hygiene/globs.rs

73 lines
1.4 KiB
Rust

#![feature(decl_macro)]
mod foo {
pub fn f() {}
}
mod bar {
pub fn g() {}
}
macro m($($t:tt)*) {
$($t)*
use foo::*;
f();
g(); //~ ERROR cannot find function `g` in this scope
}
fn main() {
m! {
use bar::*;
g();
f(); //~ ERROR cannot find function `f` in this scope
}
}
n!(f);
macro n($i:ident) {
mod foo {
pub fn $i() -> u32 { 0 }
pub fn f() {}
mod test {
use super::*;
fn g() {
let _: u32 = $i();
let _: () = f();
}
}
macro n($j:ident) {
mod test {
use super::*;
fn g() {
let _: u32 = $i();
let _: () = f();
$j();
}
}
}
macro n_with_super($j:ident) {
mod test {
use super::*;
fn g() {
let _: u32 = $i();
let _: () = f();
super::$j();
}
}
}
n!(f); //~ ERROR cannot find function `f` in this scope
n_with_super!(f);
mod test2 {
super::n! {
f //~ ERROR cannot find function `f` in this scope
}
super::n_with_super! {
f
}
}
}
}