src/test/rustdoc/attributes.rs

#![crate_name = "foo"]

// @has foo/fn.f.html '//*[@class="rust fn"]' '#[no_mangle]'
#[no_mangle]
pub extern "C" fn f() {}

// @has foo/fn.g.html '//*[@class="rust fn"]' '#[export_name = "bar"]'
#[export_name = "bar"]
pub extern "C" fn g() {}

// @matches foo/enum.Foo.html '//*[@class="rust enum"]' \
//      '#\[repr\(i64\)\]\n#\[must_use\]'
#[repr(i64)]
#[must_use]
pub enum Foo {
    Bar,
}

// @has foo/struct.Repr.html '//*[@class="docblock type-decl"]' '#[repr(C, align(8))]'
#[repr(C, align(8))]
pub struct Repr;