[yew-devel] [PATCH yew-widget-toolkit v2 1/2] store: use try_borrow and expect for better error messages

[Shannon Sterz]

this commit adds more context for panics based on failed locks. this
is done by using `try_borrow()` and calling `expect()` on the result.

Signed-off-by: Shannon Sterz <s.sterz at proxmox.com>
---
 src/state/store.rs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/state/store.rs b/src/state/store.rs
index bde7d9da..67e72b77 100644
--- a/src/state/store.rs
+++ b/src/state/store.rs
@@ -130,7 +130,10 @@ impl<T: 'static> Store<T> {
     /// Panics if the value is currently mutably locked.
     pub fn read(&self) -> StoreReadGuard<T> {
         StoreReadGuard {
-            state: self.inner.borrow(),
+            state: self
+                .inner
+                .try_borrow()
+                .expect("Could not acquire read lock on store!"),
         }
     }
 
@@ -142,7 +145,11 @@ impl<T: 'static> Store<T> {
     /// When the returned [StoreWriteGuard] is dropped, the store listeners
     /// are notified. To prevent that use [StoreWriteGuard::skip_update]
     pub fn write(&self) -> StoreWriteGuard<T> {
-        let state = self.inner.borrow_mut();
+        let state = self
+            .inner
+            .try_borrow_mut()
+            .expect("Could not acquire write lock on store!");
+
         StoreWriteGuard {
             state,
             update: true,
-- 
2.39.5