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ARROW-1416: Clarify memory layout documentation - #998
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This PR slightly reduces ambiguity in the array example for null bitmaps. The original example was left/right symmetric; this PR changes the example to break that symmetry. Asymmetry is important since readers who skip the byte endianness section could have interpreted the bitmap buffer in two distinct ways: left-to-right with an offset of 3 (wrong), or right-to-left with zero offset (correct).
wesm
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Aug 28, 2017
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+1, thanks! Making the example non-symmetric indeed makes things more clear
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This PR slightly reduces ambiguity in the array example for null bitmaps. The original example was left/right symmetric; this PR changes the example to break that symmetry. Asymmetry is important since readers who skip the byte endianness section could have interpreted the bitmap buffer in two distinct ways: left-to-right with an offset of 3 (wrong), or right-to-left with zero offset (correct).