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Fix bug in ViewsFromTo where from might clip first value

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bloeys
2022-07-24 02:38:12 +04:00
parent 641e3eda98
commit a531d5904b
4 changed files with 34 additions and 17 deletions
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6
ring/ring.go
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@ -154,7 +154,7 @@ func (b *Buffer[T]) ViewsFromTo(fromIndex, toIndex uint64) (v1, v2 []T) {
return
}
fromIndex -= v1Len - 1
fromIndex -= v1Len
toIndex -= v1Len
if toIndex >= v2Len {
toIndex = v2Len
@ -187,7 +187,9 @@ type Iterator[T any] struct {
V1 []T
V2 []T
// Curr is the index of the element that will be returned on Next()
// Curr is the index of the element that will be returned on Next(),
// which means it is an index into V1 or V2 and so is relative to Buffer.Start value at the time
// of creating this iterator instance
Curr int64
InV1 bool
}