mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-23 13:13:34 +00:00
[iter_without_into_iter
]: fix papercuts + only lint on pub types
This commit is contained in:
parent
2b030eb03d
commit
3c501e4e41
5 changed files with 357 additions and 355 deletions
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@ -104,6 +104,12 @@ fn is_nameable_in_impl_trait(ty: &rustc_hir::Ty<'_>) -> bool {
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!matches!(ty.kind, TyKind::OpaqueDef(..))
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}
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fn is_ty_exported(cx: &LateContext<'_>, ty: Ty<'_>) -> bool {
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ty.ty_adt_def()
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.and_then(|adt| adt.did().as_local())
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.is_some_and(|did| cx.effective_visibilities.is_exported(did))
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}
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/// Returns the deref chain of a type, starting with the type itself.
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fn deref_chain<'cx, 'tcx>(cx: &'cx LateContext<'tcx>, ty: Ty<'tcx>) -> impl Iterator<Item = Ty<'tcx>> + 'cx {
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iter::successors(Some(ty), |&ty| {
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@ -154,6 +160,7 @@ impl LateLintPass<'_> for IterWithoutIntoIter {
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None
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}
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})
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&& is_ty_exported(cx, ty)
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{
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span_lint_and_then(
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cx,
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@ -226,6 +233,7 @@ impl {self_ty_without_ref} {{
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)
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// Only lint if the `IntoIterator` impl doesn't actually exist
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&& !implements_trait(cx, ref_ty, into_iter_did, &[])
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&& is_ty_exported(cx, ref_ty.peel_refs())
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{
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let self_ty_snippet = format!("{borrow_prefix}{}", snippet(cx, imp.self_ty.span, ".."));
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@ -247,8 +255,8 @@ impl {self_ty_without_ref} {{
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"
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impl IntoIterator for {self_ty_snippet} {{
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type IntoIter = {ret_ty};
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type Iter = {iter_ty};
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fn into_iter() -> Self::IntoIter {{
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type Item = {iter_ty};
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fn into_iter(self) -> Self::IntoIter {{
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self.iter()
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}}
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}}
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@ -3,127 +3,117 @@
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use std::iter::IntoIterator;
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fn main() {
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{
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struct S;
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impl<'a> IntoIterator for &'a S {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter` method
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type IntoIter = std::slice::Iter<'a, u8>;
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type Item = &'a u8;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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impl<'a> IntoIterator for &'a mut S {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter_mut` method
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type IntoIter = std::slice::IterMut<'a, u8>;
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type Item = &'a mut u8;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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pub struct S1;
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impl<'a> IntoIterator for &'a S1 {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter` method
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type IntoIter = std::slice::Iter<'a, u8>;
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type Item = &'a u8;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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{
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struct S<T>(T);
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impl<'a, T> IntoIterator for &'a S<T> {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter` method
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type IntoIter = std::slice::Iter<'a, T>;
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type Item = &'a T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &'a mut S<T> {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter_mut` method
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type IntoIter = std::slice::IterMut<'a, T>;
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type Item = &'a mut T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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}
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{
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// Both iter and iter_mut methods exist, don't lint
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struct S<'a, T>(&'a T);
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impl<'a, T> S<'a, T> {
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fn iter(&self) -> std::slice::Iter<'a, T> {
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todo!()
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}
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fn iter_mut(&mut self) -> std::slice::IterMut<'a, T> {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &S<'a, T> {
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type IntoIter = std::slice::Iter<'a, T>;
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type Item = &'a T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &mut S<'a, T> {
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type IntoIter = std::slice::IterMut<'a, T>;
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type Item = &'a mut T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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}
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{
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// Only `iter` exists, no `iter_mut`
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struct S<'a, T>(&'a T);
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impl<'a, T> S<'a, T> {
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fn iter(&self) -> std::slice::Iter<'a, T> {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &S<'a, T> {
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type IntoIter = std::slice::Iter<'a, T>;
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type Item = &'a T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &mut S<'a, T> {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter_mut` method
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type IntoIter = std::slice::IterMut<'a, T>;
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type Item = &'a mut T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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}
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{
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// `iter` exists, but `IntoIterator` is implemented for an alias. inherent_impls doesn't "normalize"
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// aliases so that `inherent_impls(Alias)` where `type Alias = S` returns nothing, so this can lead
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// to fun FPs. Make sure it doesn't happen here (we're using type_of, which should skip the alias).
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struct S;
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impl S {
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fn iter(&self) -> std::slice::Iter<'static, u8> {
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todo!()
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}
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}
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type Alias = S;
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impl IntoIterator for &Alias {
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type IntoIter = std::slice::Iter<'static, u8>;
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type Item = &'static u8;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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}
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impl<'a> IntoIterator for &'a mut S1 {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter_mut` method
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type IntoIter = std::slice::IterMut<'a, u8>;
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type Item = &'a mut u8;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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fn issue11635() {
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pub struct S2<T>(T);
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impl<'a, T> IntoIterator for &'a S2<T> {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter` method
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type IntoIter = std::slice::Iter<'a, T>;
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type Item = &'a T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &'a mut S2<T> {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter_mut` method
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type IntoIter = std::slice::IterMut<'a, T>;
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type Item = &'a mut T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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// Both iter and iter_mut methods exist, don't lint
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pub struct S3<'a, T>(&'a T);
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impl<'a, T> S3<'a, T> {
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fn iter(&self) -> std::slice::Iter<'a, T> {
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todo!()
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}
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fn iter_mut(&mut self) -> std::slice::IterMut<'a, T> {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &S3<'a, T> {
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type IntoIter = std::slice::Iter<'a, T>;
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type Item = &'a T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &mut S3<'a, T> {
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type IntoIter = std::slice::IterMut<'a, T>;
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type Item = &'a mut T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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// Only `iter` exists, no `iter_mut`
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pub struct S4<'a, T>(&'a T);
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impl<'a, T> S4<'a, T> {
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fn iter(&self) -> std::slice::Iter<'a, T> {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &S4<'a, T> {
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type IntoIter = std::slice::Iter<'a, T>;
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type Item = &'a T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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impl<'a, T> IntoIterator for &mut S4<'a, T> {
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//~^ ERROR: `IntoIterator` implemented for a reference type without an `iter_mut` method
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type IntoIter = std::slice::IterMut<'a, T>;
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type Item = &'a mut T;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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// `iter` exists, but `IntoIterator` is implemented for an alias. inherent_impls doesn't "normalize"
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// aliases so that `inherent_impls(Alias)` where `type Alias = S` returns nothing, so this can lead
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// to fun FPs. Make sure it doesn't happen here (we're using type_of, which should skip the alias).
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pub struct S5;
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impl S5 {
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fn iter(&self) -> std::slice::Iter<'static, u8> {
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todo!()
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}
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}
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pub type Alias = S5;
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impl IntoIterator for &Alias {
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type IntoIter = std::slice::Iter<'static, u8>;
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type Item = &'static u8;
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fn into_iter(self) -> Self::IntoIter {
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todo!()
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}
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}
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fn main() {}
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pub mod issue11635 {
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// A little more involved than the original repro in the issue, but this tests that it correctly
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// works for more than one deref step
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@ -1,21 +1,21 @@
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error: `IntoIterator` implemented for a reference type without an `iter` method
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--> $DIR/into_iter_without_iter.rs:10:9
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--> $DIR/into_iter_without_iter.rs:7:1
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|
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LL | / impl<'a> IntoIterator for &'a S {
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LL | / impl<'a> IntoIterator for &'a S1 {
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LL | |
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LL | | type IntoIter = std::slice::Iter<'a, u8>;
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LL | | type Item = &'a u8;
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LL | | type IntoIter = std::slice::Iter<'a, u8>;
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LL | | type Item = &'a u8;
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... |
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LL | | }
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LL | | }
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| |_________^
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LL | | }
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LL | | }
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| |_^
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= note: `-D clippy::into-iter-without-iter` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::into_iter_without_iter)]`
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help: consider implementing `iter`
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LL ~
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LL + impl S {
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LL +
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LL + impl S1 {
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LL + fn iter(&self) -> std::slice::Iter<'a, u8> {
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LL + <&Self as IntoIterator>::into_iter(self)
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LL + }
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@ -23,21 +23,21 @@ LL + }
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error: `IntoIterator` implemented for a reference type without an `iter_mut` method
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--> $DIR/into_iter_without_iter.rs:18:9
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--> $DIR/into_iter_without_iter.rs:15:1
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|
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LL | / impl<'a> IntoIterator for &'a mut S {
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LL | / impl<'a> IntoIterator for &'a mut S1 {
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LL | |
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LL | | type IntoIter = std::slice::IterMut<'a, u8>;
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LL | | type Item = &'a mut u8;
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LL | | type IntoIter = std::slice::IterMut<'a, u8>;
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LL | | type Item = &'a mut u8;
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... |
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LL | | }
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LL | | }
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| |_________^
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LL | | }
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LL | | }
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| |_^
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help: consider implementing `iter_mut`
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LL ~
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LL + impl S {
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LL +
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LL + impl S1 {
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LL + fn iter_mut(&mut self) -> std::slice::IterMut<'a, u8> {
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LL + <&mut Self as IntoIterator>::into_iter(self)
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LL + }
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@ -45,21 +45,21 @@ LL + }
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error: `IntoIterator` implemented for a reference type without an `iter` method
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--> $DIR/into_iter_without_iter.rs:29:9
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--> $DIR/into_iter_without_iter.rs:25:1
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|
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LL | / impl<'a, T> IntoIterator for &'a S<T> {
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LL | / impl<'a, T> IntoIterator for &'a S2<T> {
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LL | |
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LL | | type IntoIter = std::slice::Iter<'a, T>;
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LL | | type Item = &'a T;
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LL | | type IntoIter = std::slice::Iter<'a, T>;
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LL | | type Item = &'a T;
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... |
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LL | | }
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LL | | }
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| |_________^
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LL | | }
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LL | | }
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| |_^
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|
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help: consider implementing `iter`
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|
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LL ~
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LL + impl S<T> {
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LL +
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LL + impl S2<T> {
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LL + fn iter(&self) -> std::slice::Iter<'a, T> {
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LL + <&Self as IntoIterator>::into_iter(self)
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LL + }
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@ -67,21 +67,21 @@ LL + }
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error: `IntoIterator` implemented for a reference type without an `iter_mut` method
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--> $DIR/into_iter_without_iter.rs:37:9
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--> $DIR/into_iter_without_iter.rs:33:1
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|
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LL | / impl<'a, T> IntoIterator for &'a mut S<T> {
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LL | / impl<'a, T> IntoIterator for &'a mut S2<T> {
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LL | |
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LL | | type IntoIter = std::slice::IterMut<'a, T>;
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LL | | type Item = &'a mut T;
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LL | | type IntoIter = std::slice::IterMut<'a, T>;
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LL | | type Item = &'a mut T;
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... |
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LL | | }
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LL | | }
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| |_________^
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LL | | }
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LL | | }
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| |_^
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|
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help: consider implementing `iter_mut`
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|
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LL ~
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LL + impl S<T> {
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LL +
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LL + impl S2<T> {
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LL + fn iter_mut(&mut self) -> std::slice::IterMut<'a, T> {
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LL + <&mut Self as IntoIterator>::into_iter(self)
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LL + }
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@ -89,21 +89,21 @@ LL + }
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|
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error: `IntoIterator` implemented for a reference type without an `iter_mut` method
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--> $DIR/into_iter_without_iter.rs:93:9
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--> $DIR/into_iter_without_iter.rs:84:1
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|
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LL | / impl<'a, T> IntoIterator for &mut S<'a, T> {
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LL | / impl<'a, T> IntoIterator for &mut S4<'a, T> {
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LL | |
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LL | | type IntoIter = std::slice::IterMut<'a, T>;
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LL | | type Item = &'a mut T;
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LL | | type IntoIter = std::slice::IterMut<'a, T>;
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LL | | type Item = &'a mut T;
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... |
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LL | | }
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LL | | }
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| |_________^
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LL | | }
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LL | | }
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| |_^
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|
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help: consider implementing `iter_mut`
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|
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LL ~
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LL + impl S<'a, T> {
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LL +
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LL + impl S4<'a, T> {
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LL + fn iter_mut(&mut self) -> std::slice::IterMut<'a, T> {
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LL + <&mut Self as IntoIterator>::into_iter(self)
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LL + }
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|
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@ -1,120 +1,124 @@
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//@no-rustfix
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#![warn(clippy::iter_without_into_iter)]
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fn main() {
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{
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struct S;
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impl S {
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pub fn iter(&self) -> std::slice::Iter<'_, u8> {
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//~^ ERROR: `iter` method without an `IntoIterator` impl
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[].iter()
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}
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pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
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//~^ ERROR: `iter_mut` method without an `IntoIterator` impl
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[].iter_mut()
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}
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}
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pub struct S1;
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impl S1 {
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pub fn iter(&self) -> std::slice::Iter<'_, u8> {
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//~^ ERROR: `iter` method without an `IntoIterator` impl
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[].iter()
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}
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{
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||||
struct S;
|
||||
impl S {
|
||||
pub fn iter(&self) -> impl Iterator<Item = &u8> {
|
||||
// RPITIT is not stable, so we can't generally suggest it here yet
|
||||
[].iter()
|
||||
}
|
||||
}
|
||||
}
|
||||
{
|
||||
struct S<'a>(&'a mut [u8]);
|
||||
impl<'a> S<'a> {
|
||||
pub fn iter(&self) -> std::slice::Iter<'_, u8> {
|
||||
//~^ ERROR: `iter` method without an `IntoIterator` impl
|
||||
self.0.iter()
|
||||
}
|
||||
pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
|
||||
//~^ ERROR: `iter_mut` method without an `IntoIterator` impl
|
||||
self.0.iter_mut()
|
||||
}
|
||||
}
|
||||
}
|
||||
{
|
||||
// Incompatible signatures
|
||||
struct S;
|
||||
impl S {
|
||||
pub fn iter(self) -> std::slice::Iter<'static, u8> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
struct S2;
|
||||
impl S2 {
|
||||
pub async fn iter(&self) -> std::slice::Iter<'static, u8> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
struct S3;
|
||||
impl S3 {
|
||||
pub fn iter(&self, _additional_param: ()) -> std::slice::Iter<'static, u8> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
struct S4<T>(T);
|
||||
impl<T> S4<T> {
|
||||
pub fn iter<U>(&self) -> std::slice::Iter<'static, (T, U)> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
struct S5<T>(T);
|
||||
impl<T> S5<T> {
|
||||
pub fn iter(&self) -> std::slice::Iter<'static, T> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
}
|
||||
{
|
||||
struct S<T>(T);
|
||||
impl<T> S<T> {
|
||||
pub fn iter(&self) -> std::slice::Iter<'_, T> {
|
||||
//~^ ERROR: `iter` method without an `IntoIterator` impl
|
||||
todo!()
|
||||
}
|
||||
pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
|
||||
//~^ ERROR: `iter_mut` method without an `IntoIterator` impl
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
}
|
||||
{
|
||||
struct S<T>(T);
|
||||
impl<T> S<T> {
|
||||
pub fn iter(&self) -> std::slice::Iter<'_, T> {
|
||||
// Don't lint, there's an existing (wrong) IntoIterator impl
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, T> IntoIterator for &'a S<T> {
|
||||
type Item = &'a String;
|
||||
type IntoIter = std::slice::Iter<'a, String>;
|
||||
fn into_iter(self) -> Self::IntoIter {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
}
|
||||
{
|
||||
struct S<T>(T);
|
||||
impl<T> S<T> {
|
||||
pub fn iter_mut(&self) -> std::slice::IterMut<'_, T> {
|
||||
// Don't lint, there's an existing (wrong) IntoIterator impl
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, T> IntoIterator for &'a mut S<T> {
|
||||
type Item = &'a mut String;
|
||||
type IntoIter = std::slice::IterMut<'a, String>;
|
||||
fn into_iter(self) -> Self::IntoIter {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
|
||||
//~^ ERROR: `iter_mut` method without an `IntoIterator` impl
|
||||
[].iter_mut()
|
||||
}
|
||||
}
|
||||
|
||||
pub struct S2;
|
||||
impl S2 {
|
||||
pub fn iter(&self) -> impl Iterator<Item = &u8> {
|
||||
// RPITIT is not stable, so we can't generally suggest it here yet
|
||||
[].iter()
|
||||
}
|
||||
}
|
||||
|
||||
pub struct S3<'a>(&'a mut [u8]);
|
||||
impl<'a> S3<'a> {
|
||||
pub fn iter(&self) -> std::slice::Iter<'_, u8> {
|
||||
//~^ ERROR: `iter` method without an `IntoIterator` impl
|
||||
self.0.iter()
|
||||
}
|
||||
pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
|
||||
//~^ ERROR: `iter_mut` method without an `IntoIterator` impl
|
||||
self.0.iter_mut()
|
||||
}
|
||||
}
|
||||
|
||||
// Incompatible signatures
|
||||
pub struct S4;
|
||||
impl S4 {
|
||||
pub fn iter(self) -> std::slice::Iter<'static, u8> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
pub struct S5;
|
||||
impl S5 {
|
||||
pub async fn iter(&self) -> std::slice::Iter<'static, u8> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
pub struct S6;
|
||||
impl S6 {
|
||||
pub fn iter(&self, _additional_param: ()) -> std::slice::Iter<'static, u8> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
pub struct S7<T>(T);
|
||||
impl<T> S7<T> {
|
||||
pub fn iter<U>(&self) -> std::slice::Iter<'static, (T, U)> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
pub struct S8<T>(T);
|
||||
impl<T> S8<T> {
|
||||
pub fn iter(&self) -> std::slice::Iter<'static, T> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
// ===========================
|
||||
pub struct S9<T>(T);
|
||||
impl<T> S9<T> {
|
||||
pub fn iter(&self) -> std::slice::Iter<'_, T> {
|
||||
//~^ ERROR: `iter` method without an `IntoIterator` impl
|
||||
todo!()
|
||||
}
|
||||
pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
|
||||
//~^ ERROR: `iter_mut` method without an `IntoIterator` impl
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
pub struct S10<T>(T);
|
||||
impl<T> S10<T> {
|
||||
pub fn iter(&self) -> std::slice::Iter<'_, T> {
|
||||
// Don't lint, there's an existing (wrong) IntoIterator impl
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, T> IntoIterator for &'a S10<T> {
|
||||
type Item = &'a String;
|
||||
type IntoIter = std::slice::Iter<'a, String>;
|
||||
fn into_iter(self) -> Self::IntoIter {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
pub struct S11<T>(T);
|
||||
impl<T> S11<T> {
|
||||
pub fn iter_mut(&self) -> std::slice::IterMut<'_, T> {
|
||||
// Don't lint, there's an existing (wrong) IntoIterator impl
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
impl<'a, T> IntoIterator for &'a mut S11<T> {
|
||||
type Item = &'a mut String;
|
||||
type IntoIter = std::slice::IterMut<'a, String>;
|
||||
fn into_iter(self) -> Self::IntoIter {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
// Private type not exported: don't lint
|
||||
struct S12;
|
||||
impl S12 {
|
||||
fn iter(&self) -> std::slice::Iter<'_, u8> {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {}
|
||||
|
|
|
@ -1,146 +1,146 @@
|
|||
error: `iter` method without an `IntoIterator` impl for `&S`
|
||||
--> $DIR/iter_without_into_iter.rs:8:13
|
||||
error: `iter` method without an `IntoIterator` impl for `&S1`
|
||||
--> $DIR/iter_without_into_iter.rs:6:5
|
||||
|
|
||||
LL | / pub fn iter(&self) -> std::slice::Iter<'_, u8> {
|
||||
LL | / pub fn iter(&self) -> std::slice::Iter<'_, u8> {
|
||||
LL | |
|
||||
LL | | [].iter()
|
||||
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 `&S`
|
||||
help: consider implementing `IntoIterator` for `&S1`
|
||||
|
|
||||
LL ~
|
||||
LL + impl IntoIterator for &S {
|
||||
LL +
|
||||
LL + impl IntoIterator for &S1 {
|
||||
LL + type IntoIter = std::slice::Iter<'_, u8>;
|
||||
LL + type Iter = &u8;
|
||||
LL + fn into_iter() -> Self::IntoIter {
|
||||
LL + type Item = &u8;
|
||||
LL + fn into_iter(self) -> Self::IntoIter {
|
||||
LL + self.iter()
|
||||
LL + }
|
||||
LL + }
|
||||
|
|
||||
|
||||
error: `iter_mut` method without an `IntoIterator` impl for `&mut S`
|
||||
--> $DIR/iter_without_into_iter.rs:12:13
|
||||
error: `iter_mut` method without an `IntoIterator` impl for `&mut S1`
|
||||
--> $DIR/iter_without_into_iter.rs:10:5
|
||||
|
|
||||
LL | / pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
|
||||
LL | / pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
|
||||
LL | |
|
||||
LL | | [].iter_mut()
|
||||
LL | | }
|
||||
| |_____________^
|
||||
LL | | [].iter_mut()
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
help: consider implementing `IntoIterator` for `&mut S`
|
||||
help: consider implementing `IntoIterator` for `&mut S1`
|
||||
|
|
||||
LL ~
|
||||
LL + impl IntoIterator for &mut S {
|
||||
LL +
|
||||
LL + impl IntoIterator for &mut S1 {
|
||||
LL + type IntoIter = std::slice::IterMut<'_, u8>;
|
||||
LL + type Iter = &mut u8;
|
||||
LL + fn into_iter() -> Self::IntoIter {
|
||||
LL + type Item = &mut u8;
|
||||
LL + fn into_iter(self) -> Self::IntoIter {
|
||||
LL + self.iter()
|
||||
LL + }
|
||||
LL + }
|
||||
|
|
||||
|
||||
error: `iter` method without an `IntoIterator` impl for `&S<'a>`
|
||||
--> $DIR/iter_without_into_iter.rs:30:13
|
||||
error: `iter` method without an `IntoIterator` impl for `&S3<'a>`
|
||||
--> $DIR/iter_without_into_iter.rs:26:5
|
||||
|
|
||||
LL | / pub fn iter(&self) -> std::slice::Iter<'_, u8> {
|
||||
LL | / pub fn iter(&self) -> std::slice::Iter<'_, u8> {
|
||||
LL | |
|
||||
LL | | self.0.iter()
|
||||
LL | | }
|
||||
| |_____________^
|
||||
LL | | self.0.iter()
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
help: consider implementing `IntoIterator` for `&S<'a>`
|
||||
help: consider implementing `IntoIterator` for `&S3<'a>`
|
||||
|
|
||||
LL ~
|
||||
LL + impl IntoIterator for &S<'a> {
|
||||
LL +
|
||||
LL + impl IntoIterator for &S3<'a> {
|
||||
LL + type IntoIter = std::slice::Iter<'_, u8>;
|
||||
LL + type Iter = &u8;
|
||||
LL + fn into_iter() -> Self::IntoIter {
|
||||
LL + type Item = &u8;
|
||||
LL + fn into_iter(self) -> Self::IntoIter {
|
||||
LL + self.iter()
|
||||
LL + }
|
||||
LL + }
|
||||
|
|
||||
|
||||
error: `iter_mut` method without an `IntoIterator` impl for `&mut S<'a>`
|
||||
--> $DIR/iter_without_into_iter.rs:34:13
|
||||
error: `iter_mut` method without an `IntoIterator` impl for `&mut S3<'a>`
|
||||
--> $DIR/iter_without_into_iter.rs:30:5
|
||||
|
|
||||
LL | / pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
|
||||
LL | / pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, u8> {
|
||||
LL | |
|
||||
LL | | self.0.iter_mut()
|
||||
LL | | }
|
||||
| |_____________^
|
||||
LL | | self.0.iter_mut()
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
help: consider implementing `IntoIterator` for `&mut S<'a>`
|
||||
help: consider implementing `IntoIterator` for `&mut S3<'a>`
|
||||
|
|
||||
LL ~
|
||||
LL + impl IntoIterator for &mut S<'a> {
|
||||
LL +
|
||||
LL + impl IntoIterator for &mut S3<'a> {
|
||||
LL + type IntoIter = std::slice::IterMut<'_, u8>;
|
||||
LL + type Iter = &mut u8;
|
||||
LL + fn into_iter() -> Self::IntoIter {
|
||||
LL + type Item = &mut u8;
|
||||
LL + fn into_iter(self) -> Self::IntoIter {
|
||||
LL + self.iter()
|
||||
LL + }
|
||||
LL + }
|
||||
|
|
||||
|
||||
error: `iter` method without an `IntoIterator` impl for `&S5<T>`
|
||||
--> $DIR/iter_without_into_iter.rs:68:13
|
||||
error: `iter` method without an `IntoIterator` impl for `&S8<T>`
|
||||
--> $DIR/iter_without_into_iter.rs:67:5
|
||||
|
|
||||
LL | / pub fn iter(&self) -> std::slice::Iter<'static, T> {
|
||||
LL | | todo!()
|
||||
LL | | }
|
||||
| |_____________^
|
||||
LL | / pub fn iter(&self) -> std::slice::Iter<'static, T> {
|
||||
LL | | todo!()
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
help: consider implementing `IntoIterator` for `&S5<T>`
|
||||
help: consider implementing `IntoIterator` for `&S8<T>`
|
||||
|
|
||||
LL ~
|
||||
LL + impl IntoIterator for &S5<T> {
|
||||
LL +
|
||||
LL + impl IntoIterator for &S8<T> {
|
||||
LL + type IntoIter = std::slice::Iter<'static, T>;
|
||||
LL + type Iter = &T;
|
||||
LL + fn into_iter() -> Self::IntoIter {
|
||||
LL + type Item = &T;
|
||||
LL + fn into_iter(self) -> Self::IntoIter {
|
||||
LL + self.iter()
|
||||
LL + }
|
||||
LL + }
|
||||
|
|
||||
|
||||
error: `iter` method without an `IntoIterator` impl for `&S<T>`
|
||||
--> $DIR/iter_without_into_iter.rs:76:13
|
||||
error: `iter` method without an `IntoIterator` impl for `&S9<T>`
|
||||
--> $DIR/iter_without_into_iter.rs:75:5
|
||||
|
|
||||
LL | / pub fn iter(&self) -> std::slice::Iter<'_, T> {
|
||||
LL | / pub fn iter(&self) -> std::slice::Iter<'_, T> {
|
||||
LL | |
|
||||
LL | | todo!()
|
||||
LL | | }
|
||||
| |_____________^
|
||||
LL | | todo!()
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
help: consider implementing `IntoIterator` for `&S<T>`
|
||||
help: consider implementing `IntoIterator` for `&S9<T>`
|
||||
|
|
||||
LL ~
|
||||
LL + impl IntoIterator for &S<T> {
|
||||
LL +
|
||||
LL + impl IntoIterator for &S9<T> {
|
||||
LL + type IntoIter = std::slice::Iter<'_, T>;
|
||||
LL + type Iter = &T;
|
||||
LL + fn into_iter() -> Self::IntoIter {
|
||||
LL + type Item = &T;
|
||||
LL + fn into_iter(self) -> Self::IntoIter {
|
||||
LL + self.iter()
|
||||
LL + }
|
||||
LL + }
|
||||
|
|
||||
|
||||
error: `iter_mut` method without an `IntoIterator` impl for `&mut S<T>`
|
||||
--> $DIR/iter_without_into_iter.rs:80:13
|
||||
error: `iter_mut` method without an `IntoIterator` impl for `&mut S9<T>`
|
||||
--> $DIR/iter_without_into_iter.rs:79:5
|
||||
|
|
||||
LL | / pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
|
||||
LL | / pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, T> {
|
||||
LL | |
|
||||
LL | | todo!()
|
||||
LL | | }
|
||||
| |_____________^
|
||||
LL | | todo!()
|
||||
LL | | }
|
||||
| |_____^
|
||||
|
|
||||
help: consider implementing `IntoIterator` for `&mut S<T>`
|
||||
help: consider implementing `IntoIterator` for `&mut S9<T>`
|
||||
|
|
||||
LL ~
|
||||
LL + impl IntoIterator for &mut S<T> {
|
||||
LL +
|
||||
LL + impl IntoIterator for &mut S9<T> {
|
||||
LL + type IntoIter = std::slice::IterMut<'_, T>;
|
||||
LL + type Iter = &mut T;
|
||||
LL + fn into_iter() -> Self::IntoIter {
|
||||
LL + type Item = &mut T;
|
||||
LL + fn into_iter(self) -> Self::IntoIter {
|
||||
LL + self.iter()
|
||||
LL + }
|
||||
LL + }
|
||||
|
|
Loading…
Reference in a new issue