Expose AsyncBlockSourceResult as pub

Author: valentinewallace

lightning-block-sync/src/lib.rs

@@ -80,7 +80,7 @@ type BlockSourceResult<T> = Result<T, BlockSourceError>;
 // TODO: Replace with BlockSourceResult once `async` trait functions are supported. For details,
 // see: https://areweasyncyet.rs.
 /// Result type for asynchronous `BlockSource` requests.
-type AsyncBlockSourceResult<'a, T> = Pin<Box<dyn Future<Output = BlockSourceResult<T>> + 'a + Send>>;
+pub type AsyncBlockSourceResult<'a, T> = Pin<Box<dyn Future<Output = BlockSourceResult<T>> + 'a + Send>>;
 
 /// Error type for `BlockSource` requests.
 ///