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52 lines
865 B
52 lines
865 B
package roaring
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type shortIterable interface {
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hasNext() bool
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next() uint16
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}
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type shortPeekable interface {
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shortIterable
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peekNext() uint16
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advanceIfNeeded(minval uint16)
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}
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type shortIterator struct {
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slice []uint16
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loc int
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}
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func (si *shortIterator) hasNext() bool {
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return si.loc < len(si.slice)
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}
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func (si *shortIterator) next() uint16 {
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a := si.slice[si.loc]
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si.loc++
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return a
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}
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func (si *shortIterator) peekNext() uint16 {
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return si.slice[si.loc]
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}
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func (si *shortIterator) advanceIfNeeded(minval uint16) {
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if si.hasNext() && si.peekNext() < minval {
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si.loc = advanceUntil(si.slice, si.loc, len(si.slice), minval)
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}
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}
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type reverseIterator struct {
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slice []uint16
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loc int
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}
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func (si *reverseIterator) hasNext() bool {
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return si.loc >= 0
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}
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func (si *reverseIterator) next() uint16 {
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a := si.slice[si.loc]
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si.loc--
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return a
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}
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