syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// particular, if you have e.g., `&'a u32` and `&'b u32`, equating
context_before:     /// "constrained" when you equate this type with another type. In
context_after:     /// them constraints `'a == 'b`. But if you have `<&'a u32 as