Freezie
A wrapper type with no DerefMut impl, disallowing mutation
use Freeze;
let mut v = new;
v.push; // ERROR - cannot borrow data in dereference of ...
A wrapper type with no DerefMut impl, disallowing mutation
use freezie::Freeze;
let mut v = Freeze::new(vec![1, 2, 3]);
v.push(1); // ERROR - cannot borrow data in dereference of ...