message: Hide internal request methods
diff: @@ -43,6 +43,7 @@ where
  }
  /// The headers required for authenticated requests to the API
  + #[doc(hidden)]
  fn auth_headers(&self) -> Headers {
  self.get_token()
  .expect("Rspotify not authenticated")
  @@ -63,6 +64,7 @@ where
  // requests to reduce the code needed for endpoints and make them as
  // concise as possible.
  + #[doc(hidden)]
  #[inline]
  async fn get(
  &self,
  @@ -74,6 +76,7 @@ where
  Ok(self.get_http().get(&url, headers, payload).await?)
  }
  + #[doc(hidden)]
  #[inline]
  async fn post(
  &self,
  @@ -85,6 +88,7 @@ where
  Ok(self.get_http().post(&url, headers, payload).await?)
  }
  + #[doc(hidden)]
  #[inline]
  async fn post_form(
  &self,
  @@ -96,6 +100,7 @@ where
  Ok(self.get_http().post_form(&url, headers, payload).await?)
  }
  + #[doc(hidden)]
  #[inline]
  async fn put(
  &self,
  @@ -107,6 +112,7 @@ where
  Ok(self.get_http().put(&url, headers, payload).await?)
  }
  + #[doc(hidden)]
  #[inline]
  async fn delete(
  &self,
  @@ -118,26 +124,31 @@ where
  Ok(self.get_http().delete(&url, headers, payload).await?)
  }
  - /// The wrapper for the endpoints, which also includes the required
  - /// autentication.
  + // The wrappers for the endpoints, which also includes the required
  + // autentication.
  +
  + #[doc(hidden)]
  #[inline]
  async fn endpoint_get(&self, url: &str, payload: &Query<'_>) -> ClientResult<String> {
  let headers = self.auth_headers();
  self.get(url, Some(&headers), payload).await
  }
  + #[doc(hidden)]
  #[inline]
  async fn endpoint_post(&self, url: &str, payload: &Value) -> ClientResult<String> {
  let headers = self.auth_headers();
  self.post(url, Some(&headers), payload).await
  }
  + #[doc(hidden)]
  #[inline]
  async fn endpoint_put(&self, url: &str, payload: &Value) -> ClientResult<String> {
  let headers = self.auth_headers();
  self.put(url, Some(&headers), payload).await
  }
  + #[doc(hidden)]
  #[inline]
  async fn endpoint_delete(&self, url: &str, payload: &Value) -> ClientResult<String> {
  let headers = self.auth_headers();
  