syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:                         match (c1.kind(), c2.kind()) {
context_before:                         use rustc_hir::def::DefKind;
context_after:                             (ty::ConstKind::Unevaluated(a), ty::ConstKind::Unevaluated(b))