rust/tests/ui/hygiene/no_implicit_prelude.rs

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#![feature(decl_macro)]
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mod foo {
pub macro m() { Vec::<i32>::new(); ().clone() }
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fn f() { ::bar::m!(); }
}
#[no_implicit_prelude]
mod bar {
pub macro m() {
Vec::new(); //~ ERROR failed to resolve
().clone() //~ ERROR no method named `clone` found
}
fn f() {
::foo::m!();
assert!(true);
}
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}
fn main() {}