Test finalize.
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subroutine hash_table_finalize
!---------------------------------------------------------------------------------------------------------------------------------
!< Test [[hash_table:finalize]].
!---------------------------------------------------------------------------------------------------------------------------------
type(hash_table) :: local_hash_table !< A hash_table.
!---------------------------------------------------------------------------------------------------------------------------------
!---------------------------------------------------------------------------------------------------------------------------------
call local_hash_table%add_clone(key=5_int32, content=13_int32)
!---------------------------------------------------------------------------------------------------------------------------------
endsubroutine hash_table_finalize