================ @@ -0,0 +1,24 @@ +.. title:: clang-tidy - readability-use-span-first-last + +readability-use-span-first-last +=============================== + +Checks for uses of ``std::span::subspan()`` that can be replaced with clearer +``first()`` or ``last()`` member functions. These dedicated methods were added +to C++20 to provide more expressive alternatives to common subspan operations. + +Covered scenarios: + +========================== ==================== +Expression Replacement +------------------------- -------------------- +``s.subspan(0, n)`` ``s.first(n)`` +``s.subspan(s.size() - n)`` ``s.last(n)`` +========================== ==================== + + +Non-zero offset with count (like ``subspan(1, n)``) or offset-only calls +(like ``subspan(n)``) have no clearer equivalent using ``first()`` or +``last()``, so these cases are not transformed. + +This check is only active when C++20 or later is used. ---------------- 5chmidti wrote:
Missing newline https://github.com/llvm/llvm-project/pull/118074 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
