From 35f1655b0bc0452ee5f2bed521ebb12c17a8a20d Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 27 Sep 2019 20:47:36 +0300
Subject: replace horrible hack with a slightly less horrible one

---
 crates/ra_db/src/lib.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'crates/ra_db')

diff --git a/crates/ra_db/src/lib.rs b/crates/ra_db/src/lib.rs
index c54791b7a..603daed37 100644
--- a/crates/ra_db/src/lib.rs
+++ b/crates/ra_db/src/lib.rs
@@ -32,11 +32,10 @@ pub trait CheckCanceled {
 
     fn catch_canceled<F, T>(&self, f: F) -> Result<T, Canceled>
     where
-        Self: Sized,
+        Self: Sized + panic::RefUnwindSafe,
         F: FnOnce(&Self) -> T + panic::UnwindSafe,
     {
-        let this = panic::AssertUnwindSafe(self);
-        panic::catch_unwind(|| f(*this)).map_err(|err| match err.downcast::<Canceled>() {
+        panic::catch_unwind(|| f(self)).map_err(|err| match err.downcast::<Canceled>() {
             Ok(canceled) => *canceled,
             Err(payload) => panic::resume_unwind(payload),
         })
-- 
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