error: struct `PubOne` has a public `len` method, but no `is_empty` method --> $DIR/len_without_is_empty.rs:9:5 | LL | pub fn len(&self) -> isize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::len-without-is-empty` implied by `-D warnings` error: trait `PubTraitsToo` has a `len` method but no (possibly inherited) `is_empty` method --> $DIR/len_without_is_empty.rs:57:1 | LL | / pub trait PubTraitsToo { LL | | fn len(&self) -> isize; LL | | } | |_^ error: struct `HasIsEmpty` has a public `len` method, but a private `is_empty` method --> $DIR/len_without_is_empty.rs:70:5 | LL | pub fn len(&self) -> isize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: `is_empty` defined here --> $DIR/len_without_is_empty.rs:74:5 | LL | fn is_empty(&self) -> bool { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: struct `HasWrongIsEmpty` has a public `len` method, but the `is_empty` method has an unexpected signature --> $DIR/len_without_is_empty.rs:82:5 | LL | pub fn len(&self) -> isize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: `is_empty` defined here --> $DIR/len_without_is_empty.rs:86:5 | LL | pub fn is_empty(&self, x: u32) -> bool { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: expected signature: `(&self) -> bool` error: struct `MismatchedSelf` has a public `len` method, but the `is_empty` method has an unexpected signature --> $DIR/len_without_is_empty.rs:94:5 | LL | pub fn len(self) -> isize { | ^^^^^^^^^^^^^^^^^^^^^^^^^ | note: `is_empty` defined here --> $DIR/len_without_is_empty.rs:98:5 | LL | pub fn is_empty(&self) -> bool { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: expected signature: `(self) -> bool` error: trait `DependsOnFoo` has a `len` method but no (possibly inherited) `is_empty` method --> $DIR/len_without_is_empty.rs:173:1 | LL | / pub trait DependsOnFoo: Foo { LL | | fn len(&mut self) -> usize; LL | | } | |_^ error: struct `OptionalLen3` has a public `len` method, but the `is_empty` method has an unexpected signature --> $DIR/len_without_is_empty.rs:218:5 | LL | pub fn len(&self) -> usize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: `is_empty` defined here --> $DIR/len_without_is_empty.rs:223:5 | LL | pub fn is_empty(&self) -> Option { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: expected signature: `(&self) -> bool` error: struct `ResultLen` has a public `len` method, but the `is_empty` method has an unexpected signature --> $DIR/len_without_is_empty.rs:230:5 | LL | pub fn len(&self) -> Result { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: `is_empty` defined here --> $DIR/len_without_is_empty.rs:235:5 | LL | pub fn is_empty(&self) -> Option { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ = note: expected signature: `(&self) -> bool` or `(&self) -> Result error: this returns a `Result<_, ()> --> $DIR/len_without_is_empty.rs:230:5 | LL | pub fn len(&self) -> Result { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::result-unit-err` implied by `-D warnings` = help: use a custom Error type instead error: this returns a `Result<_, ()> --> $DIR/len_without_is_empty.rs:242:5 | LL | pub fn len(&self) -> Result { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: use a custom Error type instead error: this returns a `Result<_, ()> --> $DIR/len_without_is_empty.rs:246:5 | LL | pub fn is_empty(&self) -> Result { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: use a custom Error type instead error: this returns a `Result<_, ()> --> $DIR/len_without_is_empty.rs:253:5 | LL | pub fn len(&self) -> Result { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: use a custom Error type instead error: aborting due to 12 previous errors