syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// for explanation of the relationship between `Ty` and [`ty::ClosureKind`].
context_before:     /// Inverse of [`Ty::to_opt_closure_kind`]. See docs on that method
context_after:     pub fn from_closure_kind(tcx: TyCtxt<'tcx>, kind: ty::ClosureKind) -> Ty<'tcx> {