syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // projections, we will never be able to equate, e.g. `<T as Tr>::A`
context_before:             // share the same type as `self_ty`. This is because for truly rigid
context_after:             // with `<<T as Tr>::A as Tr>::A`.