| if let StmtKind::Local(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(BindingAnnotation::NONE, _, name, None) = local.pat.kind |
| && name.as_str() == "print_text" |
| { |
| // report your lint here |
| } |
