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// edition:2018
// For the time being `macro_rules` items are treated as *very* private...
#![feature(underscore_imports, decl_macro, uniform_paths)]
mod m1 {
macro_rules! legacy_macro { () => () }
// ... so they can't be imported by themselves, ...
use legacy_macro as _; //~ ERROR `legacy_macro` is private, and cannot be re-exported
}
mod m2 {
macro_rules! legacy_macro { () => () }
type legacy_macro = u8;
// ... but don't prevent names from other namespaces from being imported, ...
use legacy_macro as _; // OK
}
mod m3 {
macro legacy_macro() {}
fn f() {
macro_rules! legacy_macro { () => () }
// ... but still create ambiguities with other names in the same namespace.
use legacy_macro as _; //~ ERROR `legacy_macro` is ambiguous
//~| ERROR `legacy_macro` is private, and cannot be re-exported
}
}
mod exported {
// Exported macros are treated as private as well,
// some better rules need to be figured out later.
#[macro_export]
macro_rules! legacy_macro { () => () }
use legacy_macro as _; //~ ERROR `legacy_macro` is private, and cannot be re-exported
}
fn main() {}
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