rust/tests/ui/author/macro_in_closure.stdout

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if let StmtKind::Let(local) = stmt.kind
&& let Some(init) = local.init
&& let ExprKind::Closure { capture_clause: CaptureBy::Ref, fn_decl: fn_decl, body: body_id, closure_kind: ClosureKind::Closure, .. } = init.kind
&& let FnRetTy::DefaultReturn(_) = fn_decl.output
&& expr = &cx.tcx.hir().body(body_id).value
&& let ExprKind::Block(block, None) = expr.kind
&& block.stmts.len() == 1
&& let StmtKind::Semi(e) = block.stmts[0].kind
&& let ExprKind::Call(func, args) = e.kind
&& let ExprKind::Path(ref qpath) = func.kind
&& match_qpath(qpath, &["$crate", "io", "_print"])
&& args.len() == 1
&& let ExprKind::Call(func1, args1) = args[0].kind
&& let ExprKind::Path(ref qpath1) = func1.kind
&& match_qpath(qpath1, &["format_arguments", "new_v1"])
&& args1.len() == 2
&& let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner) = args1[0].kind
&& let ExprKind::Array(elements) = inner.kind
&& elements.len() == 2
&& let ExprKind::Lit(ref lit) = elements[0].kind
&& let LitKind::Str(s, _) = lit.node
&& s.as_str() == ""
&& let ExprKind::Lit(ref lit1) = elements[1].kind
&& let LitKind::Str(s1, _) = lit1.node
&& s1.as_str() == "\n"
&& let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner1) = args1[1].kind
&& let ExprKind::Array(elements1) = inner1.kind
&& elements1.len() == 1
&& let ExprKind::Call(func2, args2) = elements1[0].kind
&& let ExprKind::Path(ref qpath2) = func2.kind
&& match_qpath(qpath2, &["format_argument", "new_display"])
&& args2.len() == 1
&& let ExprKind::AddrOf(BorrowKind::Ref, Mutability::Not, inner2) = args2[0].kind
&& let ExprKind::Path(ref qpath3) = inner2.kind
&& match_qpath(qpath3, &["x"])
&& block.expr.is_none()
&& let PatKind::Binding(BindingMode::NONE, _, name, None) = local.pat.kind
&& name.as_str() == "print_text"
{
// report your lint here
}