An empty BitArray is nil.
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@ -13,7 +13,11 @@ type BitArray struct {
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Elems []uint64 `json:"elems"` // NOTE: persisted via reflect, must be exported
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}
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// There is no BitArray whose Size is 0. Use nil instead.
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func NewBitArray(bits uint) *BitArray {
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if bits == 0 {
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return nil
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}
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return &BitArray{
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Bits: bits,
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Elems: make([]uint64, (bits+63)/64),
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@ -168,10 +172,6 @@ func (bA *BitArray) IsFull() bool {
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bA.mtx.Lock()
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defer bA.mtx.Unlock()
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if bA.Bits == 0 {
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return false
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}
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// Check all elements except the last
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for _, elem := range bA.Elems[:len(bA.Elems)-1] {
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if (^elem) != 0 {
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