`And now which is which?' she said to herself, and nibbled a
little of the right-hand bit to try the effect:  the next moment
she felt a violent blow underneath her chin:  it had struck her
foot!

  She was a good deal frightened by this very sudden change, but
she felt that there was no time to be lost, as she was shrinking
rapidly; so she set to work at once to eat some of the other bit.

  `And now which is which?' she said to herself, and nibbled a
little of the right-hand bit to try the effect:  the next moment
she felt a violent blow underneath her chin:  it had struck her
foot!

  She was a good deal frightened by this very sudden change, but
she felt that there was no time to be lost, as she was shrinking
rapidly; so she set to work at once to eat some of the other bit.

	callbackMutex.Lock()
	callbackToken++
	i := callbackToken
	callbackFuncs[i] = f
	callbackMutex.Unlock()

	// Pass the address of i because the C function was written to
	// take a pointer.  We could pass an int if we felt like
	// rewriting the C code.
	C.callback(unsafe.Pointer(&i))

	callbackMutex.Lock()
	delete(callbackFuncs, i)
	callbackMutex.Unlock()
}

//export goCallback
func goCallback(p unsafe.Pointer) {

        },
        "german_keywords": {
          "type":       "keyword_marker",
          "keywords": ["Hallo", "Welt", "Suche"]
        },
        "german_stemmer": {
          "type":       "stemmer",
          "language":   "light_german"
        },
        "german_override": {
          "type":       "stemmer_override",

        },
        "german_keywords": {
          "type":       "keyword_marker",
          "keywords": ["Hallo", "Welt", "Suche"]
        },
        "german_stemmer": {
          "type":       "stemmer",
          "language":   "light_german"
        },
        "german_override": {
          "type":       "stemmer_override",