diff options
| author | Aleksey Kladov <[email protected]> | 2019-01-10 10:06:42 +0000 |
|---|---|---|
| committer | Aleksey Kladov <[email protected]> | 2019-01-10 10:06:42 +0000 |
| commit | 86bc898a2fa5818eac4b87714b59970023acc60f (patch) | |
| tree | 15efd65c0bceaded1f6d6c0241a21444b3bc7579 /crates/ra_db | |
| parent | f72c031eb9a15f25834a7980008db764ff2867a0 (diff) | |
explain why we use resume_unwind
Diffstat (limited to 'crates/ra_db')
| -rw-r--r-- | crates/ra_db/src/cancellation.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crates/ra_db/src/cancellation.rs b/crates/ra_db/src/cancellation.rs index f7077b992..32a268553 100644 --- a/crates/ra_db/src/cancellation.rs +++ b/crates/ra_db/src/cancellation.rs | |||
| @@ -29,6 +29,8 @@ impl Canceled { | |||
| 29 | } | 29 | } |
| 30 | 30 | ||
| 31 | pub fn throw() -> ! { | 31 | pub fn throw() -> ! { |
| 32 | // We use resume and not panic here to avoid running the panic | ||
| 33 | // hook (that is, to avoid collecting and printing backtrace). | ||
| 32 | std::panic::resume_unwind(Box::new(Canceled::new())) | 34 | std::panic::resume_unwind(Box::new(Canceled::new())) |
| 33 | } | 35 | } |
| 34 | } | 36 | } |