[ARROW-5508] [C++] Create reusable Iterator<T> interface

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.16.0
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/21956
• Assignee: Unassigned
• Reporter: Wes McKinney
• Created: 04/Jun/19 19:39
• Updated: 11/Jan/23 07:40
• Resolved: 29/Aug/22 14:14

Description

We have various iterator-like classes. I envision a reusable interface like

template <typename T>
class Iterator {
 public:
  virtual ~Iterator() = default;
  virtual Status Next(T* out) = 0;
}

Issue Links

• is superceded by: ARROW-6558 [C++] Refactor Iterator to a type erased handle