code: func jsonnet_evaluate_snippet(vmRef *C.struct_JsonnetVm, filename *C.char, code *C.char, e *C.int) *C.char {
  	f := C.GoString(filename)
  	s := C.GoString(code)
  	return evaluateSnippet(vmRef, f, s, e)
  }
docs: //export jsonnet_evaluate_snippet