ices/110106.rs: fixed with no errors

=== stdout ===
=== stderr ===
warning: struct `D` is never constructed
 --> /home/runner/work/glacier/glacier/ices/110106.rs:4:8
  |
4 | struct D<T> {
  |        ^
  |
  = note: `#[warn(dead_code)]` on by default

warning: associated items `Item` and `next` are never used
  --> /home/runner/work/glacier/glacier/ices/110106.rs:9:10
   |
8  | impl<T: Default> D<T> {
   | --------------------- associated items in this implementation
9  |     type Item = T;
   |          ^^^^
10 |
11 |     fn next() -> Self::Item {
   |        ^^^^

warning: 2 warnings emitted

==============