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-rw-r--r--crates/ra_db/src/lib.rs5
1 files changed, 2 insertions, 3 deletions
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 {
32 32
33 fn catch_canceled<F, T>(&self, f: F) -> Result<T, Canceled> 33 fn catch_canceled<F, T>(&self, f: F) -> Result<T, Canceled>
34 where 34 where
35 Self: Sized, 35 Self: Sized + panic::RefUnwindSafe,
36 F: FnOnce(&Self) -> T + panic::UnwindSafe, 36 F: FnOnce(&Self) -> T + panic::UnwindSafe,
37 { 37 {
38 let this = panic::AssertUnwindSafe(self); 38 panic::catch_unwind(|| f(self)).map_err(|err| match err.downcast::<Canceled>() {
39 panic::catch_unwind(|| f(*this)).map_err(|err| match err.downcast::<Canceled>() {
40 Ok(canceled) => *canceled, 39 Ok(canceled) => *canceled,
41 Err(payload) => panic::resume_unwind(payload), 40 Err(payload) => panic::resume_unwind(payload),
42 }) 41 })