From 2750830694ae64031e2af48a02d71425496093be Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Mon, 1 Jul 2019 21:00:52 -0400
Subject: [PATCH] remove outdated comment

---
 src/dependency.rs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/dependency.rs b/src/dependency.rs
index d4cf6bec..ab48c6dc 100644
--- a/src/dependency.rs
+++ b/src/dependency.rs
@@ -21,10 +21,9 @@ pub(crate) struct Dependency<DB: Database> {
 
 impl<DB: Database> Dependency<DB> {
     pub(crate) fn new(slot: Arc<dyn DatabaseSlot<DB> + '_>) -> Self {
-        // Forgive me for I am a horrible monster and pray for death:
-        //
-        // Hiding these bounds behind a trait object is a total hack
-        // but I just want to see how well this works. -nikomatsakis
+        // Unsafety note: It is safe to 'pretend' the trait object is
+        // Send+Sync+'static because the phantom-data will reflect the
+        // reality.
         let slot: Arc<dyn DatabaseSlot<DB> + Send + Sync> = unsafe { std::mem::transmute(slot) };
         Self {
             slot,