[jira] [Created] (ARROW-2063) [C++] Implement variant of FixedSizeBufferWriter that also supports reading (like MemoryMappedFile)

[Wes McKinney (JIRA)]

Wes McKinney created ARROW-2063:
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             Summary: [C++] Implement variant of FixedSizeBufferWriter that 
also supports reading (like MemoryMappedFile)
                 Key: ARROW-2063
                 URL: https://issues.apache.org/jira/browse/ARROW-2063
             Project: Apache Arrow
          Issue Type: Improvement
          Components: C++
            Reporter: Wes McKinney
             Fix For: 0.9.0


This would be helpful for testing, among other things



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