Add From implementation for RwLockError

src/error/rw_lock_error.rs

@@ -1,4 +1,7 @@
-use std::fmt::{self, Debug, Display, Formatter};
+use std::{
+    fmt::{self, Debug, Display, Formatter},
+    sync::PoisonError,
+};
 
 use serde::{Deserialize, Serialize};
 
@@ -19,3 +22,9 @@ impl Debug for RwLockError {
         write!(f, "{self}")
     }
 }
+
+impl<T> From<PoisonError<T>> for RwLockError {
+    fn from(_: PoisonError<T>) -> Self {
+        RwLockError
+    }
+}

src/value/map.rs

@@ -88,8 +88,7 @@ impl Map {
         let value_type = value.r#type();
         let previous = self
             .variables
-            .write()
+            .write()?
-            .map_err(|_| RwLockError)?
             .insert(key, (value, value_type.clone()));
 
         Ok(previous)