Method forward_barrier

aiscript-arena/src/context.rs:63–68

(&self, parent: Option<Gc<'gc, ()>>, child: Gc<'gc, ()>)

    /// parent pointer(s) before collection is next triggered.
    #[inline]
    pub fn forward_barrier(&self, parent: Option<Gc<'gc, ()>>, child: Gc<'gc, ()>) {
        self.context
            .forward_barrier(parent.map(|p| unsafe { GcBox::erase(p.ptr) }), unsafe {
                GcBox::erase(child.ptr)
            })
    }

    #[inline]
    pub(crate) fn allocate<T: Collect + 'gc>(&self, t: T) -> NonNull<GcBoxInner<T>> {