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Drop impl should only panic if not already panicking

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David Tolnay 2018-03-13 09:42:07 -07:00
parent 69dd3215f4
commit 5bc805329e
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1 changed files with 2 additions and 1 deletions
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serde_derive_internals/src/ctxt.rs
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@ -8,6 +8,7 @@
use std::fmt::Display; use std::fmt::Display;
use std::cell::RefCell; use std::cell::RefCell;
use std::thread;
#[derive(Default)] #[derive(Default)]
pub struct Ctxt { pub struct Ctxt {
@ -48,7 +49,7 @@ impl Ctxt {
impl Drop for Ctxt { impl Drop for Ctxt {
fn drop(&mut self) { fn drop(&mut self) {
if self.errors.borrow().is_some() { if !thread::panicking() && self.errors.borrow().is_some() {
panic!("forgot to check for errors"); panic!("forgot to check for errors");
} }
} }