From 799c634fef047d3e98355fe1ad17c5226c901a57 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20G=C3=B6gge?= <n.goeggi@gmail.com>
Date: Fri, 9 Aug 2024 11:24:46 +0100
Subject: [PATCH] Implement FeedbackFactory for {Const,Not}Feedback (#2478)

* libafl: Impl FeedbackFactory for NotFeedback

* libafl: Impl FeedbackFactory for ConstFeedback
---
 libafl/src/feedbacks/mod.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/libafl/src/feedbacks/mod.rs b/libafl/src/feedbacks/mod.rs
index 3cd3457835..932b689e9f 100644
--- a/libafl/src/feedbacks/mod.rs
+++ b/libafl/src/feedbacks/mod.rs
@@ -818,6 +818,16 @@ where
     }
 }
 
+impl<A, S, T> FeedbackFactory<NotFeedback<A, S>, T> for NotFeedback<A, S>
+where
+    A: Feedback<S> + FeedbackFactory<A, T>,
+    S: State,
+{
+    fn create_feedback(&self, ctx: &T) -> NotFeedback<A, S> {
+        NotFeedback::new(self.first.create_feedback(ctx))
+    }
+}
+
 impl<A, S> NotFeedback<A, S>
 where
     A: Feedback<S>,
@@ -1279,6 +1289,12 @@ impl From<ConstFeedback> for bool {
     }
 }
 
+impl<T> FeedbackFactory<ConstFeedback, T> for ConstFeedback {
+    fn create_feedback(&self, _ctx: &T) -> ConstFeedback {
+        *self
+    }
+}
+
 #[cfg(feature = "track_hit_feedbacks")]
 /// Error if [`Feedback::last_result`] is called before the `Feedback` is actually run.
 pub(crate) fn premature_last_result_err() -> Error {