Paul =?utf-8?q?Heidekrüger?= <paul.heidekrue...@tum.de>, Paul =?utf-8?q?Heidekrüger?= <paul.heidekrue...@tum.de>, Paul =?utf-8?q?Heidekrüger?= <paul.heidekrue...@tum.de>, Paul =?utf-8?q?Heidekrüger?= <paul.heidekrue...@tum.de>, Paul =?utf-8?q?Heidekrüger?= <paul.heidekrue...@tum.de> Message-ID: In-Reply-To: <llvm.org/llvm/llvm-project/pull/95...@github.com>
================ @@ -0,0 +1,31 @@ +.. title:: clang-tidy - cppcoreguidelines-prefer-at-over-subscript-operator + +cppcoreguidelines-prefer-at-over-subscript-operator +===================================== + +This check flags all uses of ``operator[]`` where an equivalent (same parameter and return types) ``at()`` method exists and suggest using that instead. + +For example the code + +.. code-block:: c++ + std::array<int, 3> a; + int b = a[4]; + +will generate a warning but + +.. code-block:: c++ + std::unique_ptr<int> a; + int b = a[0]; + +will not. + +The classes ``std::map``, ``std::unordered_map`` and ``std::flat_map`` are excluded from this check, because for them the subscript operator has a defined behaviour when a key does not exist (inserting a new element). ---------------- EugeneZelenko wrote: Please follow 80 characters limit. Same in other places in this file. https://github.com/llvm/llvm-project/pull/95220 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
