error: `iter` method without an `IntoIterator` impl for `&S1`
  --> tests/ui/iter_without_into_iter.rs:9:5
   |
LL | /     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
LL | |
LL | |         [].iter()
LL | |     }
   | |_____^
   |
   = note: `-D clippy::iter-without-into-iter` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::iter_without_into_iter)]`
help: consider implementing `IntoIterator` for `&S1`
   |
LL + 
LL + impl IntoIterator for &S1 {
LL +     type Item = &u8;
LL +     type IntoIter = std::slice::Iter<'_, u8>;
LL +     fn into_iter(self) -> Self::IntoIter {
LL +         self.iter()
LL +     }
LL + }
   |

error: `iter_mut` method without an `IntoIterator` impl for `&mut S1`
  --> tests/ui/iter_without_into_iter.rs:13:5
   |
LL | /     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
LL | |
LL | |         [].iter_mut()
LL | |     }
   | |_____^
   |
help: consider implementing `IntoIterator` for `&mut S1`
   |
LL + 
LL + impl IntoIterator for &mut S1 {
LL +     type Item = &mut u8;
LL +     type IntoIter = std::slice::IterMut<'_, u8>;
LL +     fn into_iter(self) -> Self::IntoIter {
LL +         self.iter()
LL +     }
LL + }
   |

error: `iter` method without an `IntoIterator` impl for `&S3<'a>`
  --> tests/ui/iter_without_into_iter.rs:29:5
   |
LL | /     pub fn iter(&self) -> std::slice::Iter<'_, u8> {
LL | |
LL | |         self.0.iter()
LL | |     }
   | |_____^
   |
help: consider implementing `IntoIterator` for `&S3<'a>`
   |
LL + 
LL + impl IntoIterator for &S3<'a> {
LL +     type Item = &u8;
LL +     type IntoIter = std::slice::Iter<'_, u8>;
LL +     fn into_iter(self) -> Self::IntoIter {
LL +         self.iter()
LL +     }
LL + }
   |

error: `iter_mut` method without an `IntoIterator` impl for `&mut S3<'a>`
  --> tests/ui/iter_without_into_iter.rs:33:5
   |
LL | /     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
LL | |
LL | |         self.0.iter_mut()
LL | |     }
   | |_____^
   |
help: consider implementing `IntoIterator` for `&mut S3<'a>`
   |
LL + 
LL + impl IntoIterator for &mut S3<'a> {
LL +     type Item = &mut u8;
LL +     type IntoIter = std::slice::IterMut<'_, u8>;
LL +     fn into_iter(self) -> Self::IntoIter {
LL +         self.iter()
LL +     }
LL + }
   |

error: `iter` method without an `IntoIterator` impl for `&S8<T>`
  --> tests/ui/iter_without_into_iter.rs:70:5
   |
LL | /     pub fn iter(&self) -> std::slice::Iter<'static, T> {
LL | |         todo!()
LL | |     }
   | |_____^
   |
help: consider implementing `IntoIterator` for `&S8<T>`
   |
LL + 
LL + impl IntoIterator for &S8<T> {
LL +     type Item = &T;
LL +     type IntoIter = std::slice::Iter<'static, T>;
LL +     fn into_iter(self) -> Self::IntoIter {
LL +         self.iter()
LL +     }
LL + }
   |

error: `iter` method without an `IntoIterator` impl for `&S9<T>`
  --> tests/ui/iter_without_into_iter.rs:78:5
   |
LL | /     pub fn iter(&self) -> std::slice::Iter<'_, T> {
LL | |
LL | |         todo!()
LL | |     }
   | |_____^
   |
help: consider implementing `IntoIterator` for `&S9<T>`
   |
LL + 
LL + impl IntoIterator for &S9<T> {
LL +     type Item = &T;
LL +     type IntoIter = std::slice::Iter<'_, T>;
LL +     fn into_iter(self) -> Self::IntoIter {
LL +         self.iter()
LL +     }
LL + }
   |

error: `iter_mut` method without an `IntoIterator` impl for `&mut S9<T>`
  --> tests/ui/iter_without_into_iter.rs:82:5
   |
LL | /     pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
LL | |
LL | |         todo!()
LL | |     }
   | |_____^
   |
help: consider implementing `IntoIterator` for `&mut S9<T>`
   |
LL + 
LL + impl IntoIterator for &mut S9<T> {
LL +     type Item = &mut T;
LL +     type IntoIter = std::slice::IterMut<'_, T>;
LL +     fn into_iter(self) -> Self::IntoIter {
LL +         self.iter()
LL +     }
LL + }
   |

error: `iter` method without an `IntoIterator` impl for `&Issue12037`
  --> tests/ui/iter_without_into_iter.rs:131:13
   |
LL | /             fn iter(&self) -> std::slice::Iter<'_, u8> {
LL | |                 todo!()
LL | |             }
   | |_____________^
...
LL |   generate_impl!();
   |   ---------------- in this macro invocation
   |
   = note: this error originates in the macro `generate_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider implementing `IntoIterator` for `&Issue12037`
   |
LL ~         
LL + impl IntoIterator for &Issue12037 {
LL +     type Item = &u8;
LL +     type IntoIter = std::slice::Iter<'_, u8>;
LL +     fn into_iter(self) -> Self::IntoIter {
LL +         self.iter()
LL +     }
LL + }
   |

error: aborting due to 8 previous errors