message: Also impl Eq and Hash for TypeMeta
diff: @@ -49,7 +49,7 @@ where
  /// A convenience struct for ad-hoc serialization
  ///
  /// Mostly useful for `Object`
  -#[derive(Deserialize, Serialize, Clone, Default, Debug)]
  +#[derive(Deserialize, Serialize, Clone, Default, Debug, Eq, PartialEq, Hash)]
  #[serde(rename_all = "camelCase")]
  pub struct TypeMeta {
  /// The version of the API
  