Again

tests/forth/harness.rs

@@ -1,3 +1,4 @@
+use arc_swap::ArcSwap;
 use cagire::forth::{Dictionary, Forth, Rng, StepContext, Value, Variables};
 use parking_lot::Mutex;
 use rand::rngs::StdRng;
@@ -32,7 +33,7 @@ pub fn ctx_with(f: impl FnOnce(&mut StepContext<'static>)) -> StepContext<'stati
 }
 
 pub fn new_vars() -> Variables {
-    Arc::new(Mutex::new(HashMap::new()))
+    Arc::new(ArcSwap::from_pointee(HashMap::new()))
 }
 
 pub fn new_dict() -> Dictionary {