code: func (c *Context) MustBindWith(obj interface{}, b binding.Binding) error {
  	if err := c.ShouldBindWith(obj, b); err != nil {
  		c.AbortWithError(http.StatusBadRequest, err).SetType(ErrorTypeBind) // nolint: errcheck
  		return err
  	}
  	return nil
  }
docs: // MustBindWith binds the passed struct pointer using the specified binding engine.
  // It will abort the request with HTTP 400 if any error occurs.
  // See the binding package.