Function gluon_vm::dynamic::field_iter

Important traits for FieldIter<'a, T>

impl<'a, T> Iterator for FieldIter<'a, T> where
    T: VmRoot<'a>,  type Item = (RootedValue<T>, ArcType);

pub fn field_iter<'vm, T>(
    value: &'vm RootedValue<T>, 
    typ: &'vm ArcType, 
    thread: &Thread
) -> FieldIter<'vm, T> where
    T: VmRoot<'vm>,