docs: address warning in docs

Was referencing a private type in docs

Author: c-git

src/data_state.rs

@@ -30,7 +30,10 @@ pub enum DataStateError<E: ErrorBounds> {
 /// Provides a way to ensure the calling code knows if it is calling a function
 /// that cannot do anything useful anymore
 pub enum CanMakeProgress {
+    /// Used to indicate that it is still possible for progress to be made
     AbleToMakeProgress,
+
+    /// Used to indicate that further calls are not useful as no progress can be made in current state
     UnableToMakeProgress,
 }
 

src/lib.rs

@@ -79,7 +79,7 @@ mod traits;
 #[cfg(feature = "yield_now")]
 mod yield_;
 
-pub use data_state::{Awaiting, DataState, DataStateError, ErrorBounds};
+pub use data_state::{Awaiting, CanMakeProgress, DataState, DataStateError, ErrorBounds};
 pub use data_state_retry::DataStateRetry;
 pub use platform::{fetch, fetch_plus, spawn};
 pub use traits::{BoundedFuture, DoneHandler, ResponseHandler, UiCallBack, ValidReturn};