{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"//!"}]}
//!   - `specialize([,,,], [p0, .., p1]) := (p0, _, _, p1)`
//!   - `specialize(Foo{ bar, baz, quz }, Foo { bar: p0, baz: p1, .. }) := (p0, p1, _)`
//!