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#![deny(unused_attributes)]
// Unused attributes on macro_rules requires special handling since the
// macro_rules definition does not survive towards HIR.
// A sample of various built-in attributes.
#[macro_export]
#[macro_use] //~ ERROR `#[macro_use]` only has an effect
#[path="foo"] //~ ERROR #[path]` only has an effect
#[recursion_limit="1"] //~ ERROR crate-level attribute should be an inner attribute
macro_rules! foo {
() => {};
}
// The following should not warn about unused attributes.
#[allow(unused)]
macro_rules! foo2 {
() => {};
}
#[cfg(FALSE)]
macro_rules! foo {
() => {};
}
/// Some docs
#[deprecated]
#[doc = "more docs"]
#[macro_export]
macro_rules! bar {
() => {};
}
fn main() {}
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