syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"ty::ConstKind::Unevaluated(uv)"}]}
source_snippet:                         ty::ConstKind::Unevaluated(uv) => {
context_before:                         ty::ConstKind::Value(cv) => cv.ty,
context_after:                             self.tcx().type_of(uv.def).instantiate(self.tcx(), uv.args)