<Unique Feature Name>

Created: <YYYY-MM-DD of today, optional by author>

Summary

<One paragraph of explanation of the feature.>

Motivation

<Answers to: Why are we doing this? What use cases does it support? What is the expected outcome?>

Detailed design

<This is the main content of the RFC. Explain the design in enough detail for somebody familiar with the language to understand, and for somebody familiar with the compiler to implement. This should get into specifics and corner-cases, and include examples of how the feature is used.>

Drawbacks

<Why should we not do this?>

Alternatives

<What other designs have been considered? What is the impact of not doing this?>

Unresolved questions

<What parts of the design are still TBD?>