xref: /llvm-project/clang-tools-extra/docs/clang-tidy/checks/readability/simplify-subscript-expr.rst (revision 8c24422cd4a5ec458950e135f62d9b14a96e75cc)
1.. title:: clang-tidy - readability-simplify-subscript-expr
2
3readability-simplify-subscript-expr
4===================================
5
6This check simplifies subscript expressions. Currently this covers calling
7``.data()`` and immediately doing an array subscript operation to obtain a
8single element, in which case simply calling ``operator[]`` suffice.
9
10Examples:
11
12.. code-block:: c++
13
14  std::string s = ...;
15  char c = s.data()[i];  // char c = s[i];
16
17Options
18-------
19
20.. option:: Types
21
22   The list of type(s) that triggers this check. Default is
23   `::std::basic_string;::std::basic_string_view;::std::vector;::std::array;::std::span`
24