Rust Attributes Quiz
Master Rust's attribute system for conditional compilation, testing, documentation, and code generation
Question 1
What is an attribute in Rust?
Question 2
What is the syntax for attributes?
Question 3
What does #[derive(Debug)] do?
Question 4
What is the difference between inner and outer attributes?
Question 5
What does #[allow(unused_variables)] do?
Question 6
What is #[cfg(test)] used for?
Question 7
What does #[test] do?
Question 8
What is the difference between #[test] and #[bench]?
Question 9
What does #[should_panic] do?
Question 10
What is #[ignore] used for?
Question 11
What does #[doc = "documentation"] do?
Question 12
What is #[doc(hidden)]?
Question 13
What does #[inline] do?
Question 14
What is #[cold]?
Question 15
What does #[no_mangle] do?
Question 16
What is #[repr(C)]?
Question 17
What is #[repr(transparent)]?
Question 18
What does #[non_exhaustive] do?
Question 19
What is #[deprecated]?
Question 20
What does #[must_use] do?
Question 21
What is conditional compilation?
Question 22
What does #[cfg(target_os = "linux")] do?
Question 23
What is feature flags in Cargo?
Question 24
What does #[cfg_attr(condition, attribute)] do?
Question 25
What is #[proc_macro] used for?
Question 26
What is the difference between #[proc_macro] and #[proc_macro_derive]?
Question 27
What does #[macro_export] do?
Question 28
What is attribute precedence?
Question 29
What are tool attributes?
Question 30
What does #[rustfmt::skip] do?
Question 31
What is #[allow(clippy::pedantic)]?
Question 32
What does #[warn(missing_docs)] do?
Question 33
What is #[deny(unsafe_code)]?
Question 34
What does #[forbid(unused_must_use)] do?
Question 35
What is #[link_name = "c_function"]?
Question 36
What does #[export_name = "my_func"] do?
Question 37
What is #[used]?
Question 38
What does #[path = "custom.rs"] do?
Question 39
What is attribute macro expansion order?
Question 40
In a cross-platform library with optional features, comprehensive tests, and custom derive macros, which attributes would you use and why?
