syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // See the above comments. The same apply to coroutine-closures.
context_before:             ty::CoroutineClosure(did, args) => {
context_after:                 let obligations = self.nominal_obligations(did, args);