{"ast_node_type":"other","tokens":[{"end":104,"kind":"keyword","start":0,"text":"//!"}]}
//! Note 1: variable bindings (like the `x` in `Some(x)`) match anything, so we treat them as wildcards.
//!
//! Note 2: this only applies to matchable values. For example a value of type `Rc<u64>` can't be