{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//!"}]}
//! is that we get some extra pattern-only constructors, namely: the wildcard `_`, variable
//! Patterns are similar: `Pair(Some(_), _)` has constructor `Pair` and two fields. The difference
//! bindings, integer ranges like `0..=10`, and variable-length slices like `[_, .., _]`. We treat