minor optimization

pdc.sh

@@ -0,0 +1,27 @@
+RUSTPYTHONPATH=Lib
+export RUSTPYTHONPATH
+
+ACTIONS=("cargo build" "cargo build --release" "cargo fmt --all" "cargo clippy --all -- -Dwarnings" "cargo test --all" "cargo run --release -- -m test -v" "cd tests" "pytest" "cd ..")
+ACT_RES=0
+FAILS=()
+
+for act in "${ACTIONS[@]}"; do
+	$act
+	if ! [ $? -eq  0 ]; then
+		ACT_RES=1
+		FAILS+=("${act}")
+	fi
+done
+
+echo 
+echo
+echo "*********************"
+if ! [ $ACT_RES -eq 0 ]; then
+	echo "PDC failed"
+	for el in "${FAILS[@]}"; do
+		echo "     Fail ${el}"
+	done
+	echo
+else
+	echo "PDC passed"
+fi

vm/src/scope.rs

@@ -114,13 +114,7 @@ impl NameProtocol for Scope {
 
     fn store_cell(&self, vm: &VirtualMachine, name: &str, value: PyObjectRef) {
         // find the innermost outer scope that contains the symbol name
-        if let Some(locals) = self
-            .locals
-            .iter()
-            .rev()
-            .filter(|l| l.contains_key(name, vm))
-            .nth(0)
-        {
+        if let Some(locals) = self.locals.iter().rev().find(|l| l.contains_key(name, vm)) {
             // add to the symbol
             locals.set_item(name, value, vm).unwrap();
         } else {