EIP: calling user defined functions from SDK host #5

func logMessage(msg string) {
  log.Println("from plugin:", msg)
}

func main() {
  ext := extism.New()
  plugin := ext.LoadPlugin(...)

  // provide a handle to the function, adding some detail about 
  // what function to call, the "namespace" (module namespace 
  // to import from in wasm), the function name within wasm, and 
  // its params/returns
  plugin.AddFunc(logMessage, "AcmeAppLib", "log",  ...params) // tbd, how to declare the params/returns here



  out, err := plugin.Call(...)
  // ...
}