pitrou opened a new issue, #51289:
URL: https://github.com/apache/arrow/issues/51289
### Describe the enhancement requested
`VisitBitRuns`, `VisitSetBitRuns`, `VisitTwoSetBitRuns` are useful in many
cases but some times the caller needs to control the control flow, for example
for returning early.
So it would be nice to be able to write:
```c++
for (const auto run : IterateBitRuns(bitmap, offset, length)) {
// do something with run.position, run.length, run.set
}
// or:
for (const auto run : IterateSetBitRuns(bitmap, offset, length)) {
// do something with run.position, run.length
}
// or:
for (const auto run : IterateTwoSetBitRuns(
left_bitmap, left_offset, right_bitmap, right_offset, length)) {
// do something with run.position, run.length
}
```
The same transformation could be done for `VisitBitBlocks`,
`VisitTwoBitBlocks`.
### Component(s)
C++
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