syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// from the declarations of `SomeTrait`, `Send`, and friends -- if
context_before: /// bounds that must hold on the elided self type. These are derived
context_after: /// they declare `trait SomeTrait : 'static`, for example, then