Trait Trace

pub trait Trace<'js> {
    // Required method
    fn trace<'a>(&self, tracer: Tracer<'a, 'js>);
}

A trait for classes for tracing references to QuickJS objects.

QuickJS uses reference counting with tracing to break cycles. As a result implementing this trait incorrectly by not tracing an object cannot result in unsound code. It will however result in memory leaks as the GC will be unable to break cycles which in turn result in cyclic references being kept alive forever.

Required Methods

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

Implementations on Foreign Types

impl<'js> Trace<'js> for bool

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for char

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for f32

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for f64

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for i8

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for i16

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for i32

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for i64

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for isize

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for u8

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for u16

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for u32

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for u64

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for ()

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for usize

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js> Trace<'js> for String

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A> Trace<'js> for (A,)

where A: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B> Trace<'js> for (A, B)

where A: Trace<'js>, B: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C> Trace<'js> for (A, B, C)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D> Trace<'js> for (A, B, C, D)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E> Trace<'js> for (A, B, C, D, E)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F> Trace<'js> for (A, B, C, D, E, F)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G> Trace<'js> for (A, B, C, D, E, F, G)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H> Trace<'js> for (A, B, C, D, E, F, G, H)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H, I> Trace<'js> for (A, B, C, D, E, F, G, H, I)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>, I: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H, I, J> Trace<'js> for (A, B, C, D, E, F, G, H, I, J)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>, I: Trace<'js>, J: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H, I, J, K> Trace<'js> for (A, B, C, D, E, F, G, H, I, J, K)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>, I: Trace<'js>, J: Trace<'js>, K: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H, I, J, K, L> Trace<'js> for (A, B, C, D, E, F, G, H, I, J, K, L)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>, I: Trace<'js>, J: Trace<'js>, K: Trace<'js>, L: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H, I, J, K, L, M> Trace<'js> for (A, B, C, D, E, F, G, H, I, J, K, L, M)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>, I: Trace<'js>, J: Trace<'js>, K: Trace<'js>, L: Trace<'js>, M: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H, I, J, K, L, M, N> Trace<'js> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>, I: Trace<'js>, J: Trace<'js>, K: Trace<'js>, L: Trace<'js>, M: Trace<'js>, N: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O> Trace<'js> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>, I: Trace<'js>, J: Trace<'js>, K: Trace<'js>, L: Trace<'js>, M: Trace<'js>, N: Trace<'js>, O: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P> Trace<'js> for (A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)

where A: Trace<'js>, B: Trace<'js>, C: Trace<'js>, D: Trace<'js>, E: Trace<'js>, F: Trace<'js>, G: Trace<'js>, H: Trace<'js>, I: Trace<'js>, J: Trace<'js>, K: Trace<'js>, L: Trace<'js>, M: Trace<'js>, N: Trace<'js>, O: Trace<'js>, P: Trace<'js>,

fn trace<'a>(&self, _tracer: Tracer<'a, 'js>)

impl<'js, K, V> Trace<'js> for BTreeMap<K, V>

where K: Trace<'js>, V: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, K, V, S> Trace<'js> for HashMap<K, V, S>

where K: Trace<'js>, V: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, K, V, S> Trace<'js> for IndexMap<K, V, S>

where K: Trace<'js>, V: Trace<'js>,

Available on crate feature indexmap only.

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, L, R> Trace<'js> for Either<L, R>

where L: Trace<'js>, R: Trace<'js>,

Available on crate feature either only.

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T> Trace<'js> for Option<T>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T> Trace<'js> for Box<T>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T> Trace<'js> for BTreeSet<T>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T> Trace<'js> for LinkedList<T>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T> Trace<'js> for VecDeque<T>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T> Trace<'js> for Rc<T>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T> Trace<'js> for Arc<T>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T> Trace<'js> for Vec<T>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T, S> Trace<'js> for HashSet<T, S>

where T: Trace<'js>,

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

impl<'js, T, S> Trace<'js> for IndexSet<T, S>

where T: Trace<'js>,

Available on crate feature indexmap only.

fn trace<'a>(&self, tracer: Tracer<'a, 'js>)

Implementors

impl<'js> Trace<'js> for Ctx<'js>

impl<'js> Trace<'js> for RustFunction<'js>

impl<'js> Trace<'js> for Array<'js>

impl<'js> Trace<'js> for Atom<'js>

impl<'js> Trace<'js> for BigInt<'js>

impl<'js> Trace<'js> for Exception<'js>

impl<'js> Trace<'js> for Function<'js>

impl<'js> Trace<'js> for Object<'js>

impl<'js> Trace<'js> for rquickjs_core::String<'js>

impl<'js> Trace<'js> for Symbol<'js>

impl<'js> Trace<'js> for Value<'js>

impl<'js, T> Trace<'js> for Module<'js, T>

impl<'js, T> Trace<'js> for Class<'js, T>

where T: JsClass<'js>,