def --()

in algebird-core/src/main/scala/com/twitter/algebird/immutable/BitSet.scala [1000:1022]

• 23 lines of code
• 8 McCabe index (conditional complexity)

    def --(rhs: BitSet): BitSet =
      rhs match {
        case Leaf(o, values2) =>
          if (o != offset) {
            this
          } else {
            val vs = new Array[Long](32)
            var i = 0
            while (i < 32) {
              vs(i) = values(i) & (~values2(i))
              i += 1
            }
            Leaf(offset, vs)
          }
        case b @ Branch(_, _, _) =>
          val j = b.index(offset)
          if (0 <= j && j < 32) {
            val c = b.children(j)
            if (c == null) this else this -- c
          } else {
            this
          }
      }