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