code: func (c *Client) SlugInfo(appIdentity string, slugIdentity string) (*Slug, error) {
  	var slug Slug
  	return &slug, c.Get(&slug, "/apps/"+appIdentity+"/slugs/"+slugIdentity)
  }
docs: // Info for existing slug.
  //
  // appIdentity is the unique identifier of the Slug's App. slugIdentity is the
  // unique identifier of the Slug.