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  1. MariaDB Server
  2. MDEV-20103

add a class similar to std::span

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      Description

      https://en.cppreference.com/w/cpp/container/span

      This should be used instead of a such arguments T *ptr, size_t size, const std::vector<T> &v.

      Especially pointer and size pair is harmful: easy to use incorrect, hard to read the code.

      Class is non-owning! It's just a reference to something.

      Do not use it for strings! Another things exists for strings: https://en.cppreference.com/w/cpp/string/basic_string_view

      Suggestion to use are here https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines

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            Assignee:
            kevg Eugene Kosov
            Reporter:
            kevg Eugene Kosov
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