syntax_data: {"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// (i32, u32) -> [i32, u32]
context_before:     /// ```ignore (illustrative)
context_after:     /// Foo where struct Foo { x: i32, y: u32 } -> [i32, u32]