warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
   --> src/lib.rs:179:25
    |
178 |                     if let Some(m) = self.usercmds.get(&vvv) {
    |                                      ------------- immutable borrow occurs here
179 |                         self.eval_strings(&m.clone())
    |                         ^^^^               - immutable borrow later used here
    |                         |
    |                         mutable borrow occurs here
    |
    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>