code: func (ctx *Context) Send(body interface{}) {
  	if ctx.IsSent {
  		return
  	}
  	switch body.(type) {
  	case []byte:
  		ctx.Response.Write(body.([]byte))
  	case string:
  		ctx.Response.Write([]byte(body.(string)))
  	case *bytes.Buffer:
  		ctx.Response.Write(body.(*bytes.Buffer).Bytes())
  	default:
  		panic(fmt.Errorf("Body type not supported"))
  	}
  	ctx.IsSent = true
  }
docs: // Send the response immediately. Set `ctx.IsSent` to `true` to make
  // sure that the response won't be sent twice.