{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"//!"}]}
//! [RFC]: <https://github.com/rust-lang/rfcs/pull/2256>
//!
//! [Swift]: <https://github.com/apple/swift/blob/13d593df6f359d0cb2fc81cfaac273297c539455/lib/Syntax/README.md>