diff options
Diffstat (limited to 'tvix/eval/src/value/thunk.rs')
| -rw-r--r-- | tvix/eval/src/value/thunk.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tvix/eval/src/value/thunk.rs b/tvix/eval/src/value/thunk.rs index 5107c6328d..1be13bfe89 100644 --- a/tvix/eval/src/value/thunk.rs +++ b/tvix/eval/src/value/thunk.rs @@ -70,7 +70,7 @@ impl Thunk { pub fn new_closure(lambda: Rc<Lambda>) -> Self { Thunk(Rc::new(RefCell::new(ThunkRepr::Evaluated(Value::Closure( Closure { - upvalues: Upvalues::with_capacity(lambda.upvalue_count), + upvalues: Rc::new(Upvalues::with_capacity(lambda.upvalue_count)), lambda: lambda.clone(), #[cfg(debug_assertions)] is_finalised: false, @@ -184,7 +184,8 @@ impl Thunk { if *is_finalised { panic!("Thunk::upvalues_mut() called on a finalised closure"); } - upvalues + Rc::get_mut(upvalues) + .expect("upvalues_mut() was called on a thunk which already had multiple references to it") } thunk => panic!("upvalues() on non-suspended thunk: {thunk:?}"), }) |