syntax_data: {"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:                 match self.tcx().def_kind(def) {
context_before:             ty::ConstKind::Unevaluated(ty::UnevaluatedConst { def, args }) => {
context_after:                     DefKind::Const | DefKind::AssocConst => {