syntax_data: {"ast_node_type":"variable","tokens":[{"end":61,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let val = ty::ValTree::from_scalar_int(tcx, lit);
context_before:         &ExprKind::NonHirLiteral { lit, user_ty: _ } => {
context_after:             ty::Const::new_value(tcx, val, node.ty)