1. About this Guide
  2. Contributing to the standard libraries
    1. Building and debugging
    2. Performance optimizations and benchmarking
    3. Writing documentation
    4. Feature lifecycle
    5. Stabilizing a feature
  4. Breaking changes
    1. New trait implementations
    2. Prelude
    3. Doc changes
  6. Policies
    1. When to add #[must_use]
    2. Specialization
    3. When to #[inline]
    4. Doc alias policy
    5. Safety comments policy
    6. Reviewing target-specific code
    7. Why the standard library uses extension traits
  8. Tricky situations
    1. Drop and #[may_dangle]
    2. Generics and unsafe
  10. The library team
    1. Meetings
    2. Membership
    3. Reviewing