   }
 }
 
-
 extension UTF8 {
   enum Classification : UInt8 {
     @inline(__always)


addUTF8Suite(
  name: "OpenCodedUTF8Decoder",
  parser: { UTF8.parseForward($0, knownCountExceeds3: $1) })

addUTF8Suite(
  name: "UnrolledStateMachineUTF8Decoder",
  parser: UTF8.parseForwardStateMachine)

runAllTests()


  static func isValidPrefix(_ c0: CodeUnit, _ c1: CodeUnit) -> Bool {
    return isValid3BytePrefix(c0, c1) || isValid4BytePrefix(c0, c1)
  }

  // FIXME: Benchmark parse1ForwardOpenCoded vs parse1Forward and decide which
  // implementation strategy to keep.

  /// Parses one scalar forward from `input`.
  ///
