syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// 'self type' is a type defined in the same module as the impl,
context_before: /// As a heuristic, when we see an impl, if we see that the
context_after: /// we can omit including the path to the impl itself. This