Function std::cell::clone_ref
[−]
[src]
pub fn clone_ref<T>(orig: &Ref<'b, T>) -> Ref<'b, T> where T: Clone: likely to be moved to a method, pending language changes
Copies a Ref`Ref`.
The RefCell`RefCell` is already immutably borrowed, so this cannot fail.
A Clone`Cloneimplementation would interfere with the widespread use of` implementation would interfere with the widespread
use of r.borrow().clone()`r.borrow().clone()to clone the contents of a` to clone the contents of a RefCell`RefCell`.