syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// directly from the `CoroutineClosure`'s `kind`.
context_before:     /// `CoroutineClosure`, when the `Coroutine`'s `kind` field is being populated
context_after:     pub fn from_coroutine_closure_kind(tcx: TyCtxt<'tcx>, kind: ty::ClosureKind) -> Ty<'tcx> {