Method traverse

crates/vm/src/function/argument.rs:74–76

(&self, tracer_fn: &mut TraverseFn<'_>)

unsafe impl Traverse for IndexMap<String, PyObjectRef> {
    fn traverse(&self, tracer_fn: &mut TraverseFn<'_>) {
        self.values().for_each(|v| v.traverse(tracer_fn));
    }
}

/// Conversion from vector of python objects to function arguments.