filter/Filter: document that Flush() can throw

2019-08-26 21:01:58 +02:00
parent 4fabfdabde
commit 4f5c3b349d
1 changed files with 2 additions and 0 deletions
--- a/src/filter/Filter.hxx
+++ b/src/filter/Filter.hxx
@@ -66,6 +66,8 @@ public:
 	/**
 	 * Flush pending data and return it.  This should be called
 	 * repeatedly until it returns nullptr.
+	 *
+	 * Throws on error.
 	 */
 	virtual ConstBuffer<void> Flush();
 };