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1.. title:: clang-tidy - cppcoreguidelines-pro-bounds-constant-array-index2 3cppcoreguidelines-pro-bounds-constant-array-index4=================================================5 6This check flags all array subscript expressions on static arrays and7``std::arrays`` that either do not have a constant integer expression index or8are out of bounds (for ``std::array``). For out-of-bounds checking of static9arrays, see the `-Warray-bounds` Clang diagnostic.10 11This rule is part of the `Bounds safety (Bounds 2)12<https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#pro-bounds-arrayindex>`_13profile from the C++ Core Guidelines.14 15Optionally, this check can generate fixes using ``gsl::at`` for indexing.16 17Options18-------19 20.. option:: GslHeader21 22 The check can generate fixes after this option has been set to the name of23 the include file that contains ``gsl::at()``, e.g. `"gsl/gsl.h"`.24 Default is an empty string.25 26.. option:: IncludeStyle27 28 A string specifying which include-style is used, `llvm` or `google`. Default29 is `llvm`.30