func sum()

in Sources/_TestSupport/DoubleWidth.swift [346:351]

• 6 lines of code
• 3 McCabe index (conditional complexity)

    func sum(_ x: Low, _ y: Low, _ z: Low) -> (partial: Low, carry: Low) {
      let (sum1, overflow1) = x.addingReportingOverflow(y)
      let (sum2, overflow2) = sum1.addingReportingOverflow(z)
      let carry: Low = (overflow1 ? 1 : 0) + (overflow2 ? 1 : 0)
      return (sum2, carry)
    }