book/redirects/attributes.md

% Attributes

There is a new edition of the book and this is an old link.

Any item declaration may have an attribute applied to it.

// A function marked as a unit test
#[test]
fn test_foo() {
    /* ... */
}

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Here are the relevant sections in the new and old books:

• In the Rust Reference: Ch 6.5 — Attributes
• In the first edition: Ch 3.27 — Attributes