syntax_data: {"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"ty::ConstKind::Value(cv)"}]}
source_snippet:             ty::ConstKind::Value(cv) => {
context_before:             ty::ConstKind::Param(ParamConst { name, .. }) => write!(self, "{name}")?,
context_after:                 return self.pretty_print_const_valtree(cv, print_ty);