syntax_data: {"ast_node_type":"import","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// Copy` (which it won't be able to do, because there is no `Copy`
context_before: /// for T` will be forced to prove not only that `T: Foo` but also `T:
context_after: /// impl for `T`).