error: `iter_mut` method without an `IntoIterator` impl for `&mut SizedHashMap<K, V, S, VEC_LIMIT_UPPER>`
   --> src/lib.rs:376:5
    |
376 | /     pub fn iter_mut(&mut self) -> IterMut<'_, K, V> {
377 | |         match &mut self.0 {
378 | |             HashMapInt::Map(m) => IterMutInt::Map(m.iter_mut()).into(),
379 | |             HashMapInt::Vec(m) => IterMutInt::Vec(m.iter_mut()).into(),
380 | |         }
381 | |     }
    | |_____^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_without_into_iter
note: the lint level is defined here
   --> src/lib.rs:28:1
    |
28  | clippy::pedantic
    | ^^^^^^^^^^^^^^^^
    = note: `#[deny(clippy::iter_without_into_iter)]` implied by `#[deny(clippy::pedantic)]`
help: consider implementing `IntoIterator` for `&mut SizedHashMap<K, V, S, VEC_LIMIT_UPPER>`
    |
161 + 
162 + impl IntoIterator for &mut SizedHashMap<K, V, S, VEC_LIMIT_UPPER> {
163 +     type IntoIter = iter::IterMut<'_, K, V>;
164 +     type Item = (&K, &mut V);
165 +     fn into_iter(self) -> Self::IntoIter {
166 +         self.iter()
167 +     }
168 + }
    |