text: // +build appengine
  
  // This file contains the safe implementations of otherwise unsafe-using code.
  
  package xxhash
  
  // Sum64String computes the 64-bit xxHash digest of s.
  func Sum64String(s string) uint64 {
  	return Sum64([]byte(s))
  }
  
  // WriteString adds more data to d. It always returns len(s), nil.
  func (d *Digest) WriteString(s string) (n int, err error) {
  	return d.Write([]byte(s))
  }
  