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package bitfield
// Bitfield is the abstraction implemented by Bitlist or BitvectorN.
type Bitfield interface {
// BitAt returns true if the bit at the given index is 1.
BitAt(idx uint64) bool
// SetBitAt sets the bit at the given index to val.
SetBitAt(idx uint64, val bool)
// Len returns the length of the bitfield.
Len() uint64
// Count returns the number of 1s in the bitfield.
Count() uint64
// Bytes returns the bytes value of the bitfield, without the length bit.
Bytes() []byte
// BitIndices returns the indices which have a 1.
BitIndices() []int
}
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