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  1. MariaDB Server
  2. MDEV-22441

implement a generic way to change a value of a variable in a scope

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      Some class should store an old value and change it's value to a new/tmp value in ctor, and restore an old value in dtor.

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          Task - A task that needs to be done. MDEV-22438 add a function similar to std::make_scope_exit()

          • Major - Major loss of function.
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              midenok Aleksey Midenkov
              kevg Eugene Kosov (Inactive)
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