syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"_"}]}
source_snippet:                     _ if op == UnOp::PtrMetadata => true,
context_before:                 let parenthesized = match ct.kind() {
context_after:                     ty::ConstKind::Expr(ty::Expr { kind: ty::ExprKind::UnOp(c_op), .. }) => {