error: defining a method called `add` on this type; consider implementing the `std::ops::Add` trait or choosing a less ambiguous name --> $DIR/methods.rs:37:5 | LL | pub fn add(self, other: T) -> T { self } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::should-implement-trait` implied by `-D warnings` error: methods called `into_*` usually take self by value; consider choosing a less ambiguous name --> $DIR/methods.rs:48:17 | LL | fn into_u16(&self) -> u16 { 0 } | ^^^^^ | = note: `-D clippy::wrong-self-convention` implied by `-D warnings` error: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name --> $DIR/methods.rs:50:21 | LL | fn to_something(self) -> u32 { 0 } | ^^^^ error: methods called `new` usually take no self; consider choosing a less ambiguous name --> $DIR/methods.rs:52:12 | LL | fn new(self) -> Self { unimplemented!(); } | ^^^^ error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead --> $DIR/methods.rs:120:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | LL | | .unwrap_or(0); // should lint even though this call is on a separate line | |____________________________^ | = note: `-D clippy::option-map-unwrap-or` implied by `-D warnings` = note: replace `map(|x| x + 1).unwrap_or(0)` with `map_or(0, |x| x + 1)` error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead --> $DIR/methods.rs:124:13 | LL | let _ = opt.map(|x| { | _____________^ LL | | x + 1 LL | | } LL | | ).unwrap_or(0); | |____________________________^ error: called `map(f).unwrap_or(a)` on an Option value. This can be done more directly by calling `map_or(a, f)` instead --> $DIR/methods.rs:128:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | .unwrap_or({ LL | | 0 LL | | }); | |__________________^ error: called `map(f).unwrap_or(None)` on an Option value. This can be done more directly by calling `and_then(f)` instead --> $DIR/methods.rs:133:13 | LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: replace `map(|x| Some(x + 1)).unwrap_or(None)` with `and_then(|x| Some(x + 1))` error: called `map(f).unwrap_or(None)` on an Option value. This can be done more directly by calling `and_then(f)` instead --> $DIR/methods.rs:135:13 | LL | let _ = opt.map(|x| { | _____________^ LL | | Some(x + 1) LL | | } LL | | ).unwrap_or(None); | |_____________________^ error: called `map(f).unwrap_or(None)` on an Option value. This can be done more directly by calling `and_then(f)` instead --> $DIR/methods.rs:139:13 | LL | let _ = opt | _____________^ LL | | .map(|x| Some(x + 1)) LL | | .unwrap_or(None); | |________________________^ | = note: replace `map(|x| Some(x + 1)).unwrap_or(None)` with `and_then(|x| Some(x + 1))` error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead --> $DIR/methods.rs:147:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | LL | | .unwrap_or_else(|| 0); // should lint even though this call is on a separate line | |____________________________________^ | = note: `-D clippy::option-map-unwrap-or-else` implied by `-D warnings` = note: replace `map(|x| x + 1).unwrap_or_else(|| 0)` with `map_or_else(|| 0, |x| x + 1)` error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead --> $DIR/methods.rs:151:13 | LL | let _ = opt.map(|x| { | _____________^ LL | | x + 1 LL | | } LL | | ).unwrap_or_else(|| 0); | |____________________________________^ error: called `map(f).unwrap_or_else(g)` on an Option value. This can be done more directly by calling `map_or_else(g, f)` instead --> $DIR/methods.rs:155:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ LL | | .unwrap_or_else(|| LL | | 0 LL | | ); | |_________________^ error: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` instead --> $DIR/methods.rs:164:13 | LL | let _ = opt.map_or(None, |x| Some(x + 1)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using and_then instead: `opt.and_then(|x| Some(x + 1))` | = note: `-D clippy::option-map-or-none` implied by `-D warnings` error: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` instead --> $DIR/methods.rs:166:13 | LL | let _ = opt.map_or(None, |x| { | _____________^ LL | | Some(x + 1) LL | | } LL | | ); | |_________________^ help: try using and_then instead | LL | let _ = opt.and_then(|x| { LL | Some(x + 1) LL | }); | error: called `map(f).unwrap_or_else(g)` on a Result value. This can be done more directly by calling `ok().map_or_else(g, f)` instead --> $DIR/methods.rs:179:13 | LL | let _ = res.map(|x| x + 1) | _____________^ LL | | LL | | .unwrap_or_else(|e| 0); // should lint even though this call is on a separate line | |_____________________________________^ | = note: `-D clippy::result-map-unwrap-or-else` implied by `-D warnings` = note: replace `map(|x| x + 1).unwrap_or_else(|e| 0)` with `ok().map_or_else(|e| 0, |x| x + 1)` error: called `map(f).unwrap_or_else(g)` on a Result value. This can be done more directly by calling `ok().map_or_else(g, f)` instead --> $DIR/methods.rs:183:13 | LL | let _ = res.map(|x| { | _____________^ LL | | x + 1 LL | | } LL | | ).unwrap_or_else(|e| 0); | |_____________________________________^ error: called `map(f).unwrap_or_else(g)` on a Result value. This can be done more directly by calling `ok().map_or_else(g, f)` instead --> $DIR/methods.rs:187:13 | LL | let _ = res.map(|x| x + 1) | _____________^ LL | | .unwrap_or_else(|e| LL | | 0 LL | | ); | |_________________^ error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead. --> $DIR/methods.rs:250:13 | LL | let _ = v.iter().filter(|&x| *x < 0).next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::filter-next` implied by `-D warnings` = note: replace `filter(|&x| *x < 0).next()` with `find(|&x| *x < 0)` error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead. --> $DIR/methods.rs:253:13 | LL | let _ = v.iter().filter(|&x| { | _____________^ LL | | *x < 0 LL | | } LL | | ).next(); | |___________________________^ error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:268:13 | LL | let _ = v.iter().find(|&x| *x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::search-is-some` implied by `-D warnings` = note: replace `find(|&x| *x < 0).is_some()` with `any(|&x| *x < 0)` error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:271:13 | LL | let _ = v.iter().find(|&x| { | _____________^ LL | | *x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:277:13 | LL | let _ = v.iter().position(|&x| x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: replace `position(|&x| x < 0).is_some()` with `any(|&x| x < 0)` error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:280:13 | LL | let _ = v.iter().position(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:286:13 | LL | let _ = v.iter().rposition(|&x| x < 0).is_some(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: replace `rposition(|&x| x < 0).is_some()` with `any(|&x| x < 0)` error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:289:13 | LL | let _ = v.iter().rposition(|&x| { | _____________^ LL | | x < 0 LL | | } LL | | ).is_some(); | |______________________________^ error: use of `unwrap_or` followed by a function call --> $DIR/methods.rs:324:22 | LL | with_constructor.unwrap_or(make()); | ^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(make)` | = note: `-D clippy::or-fun-call` implied by `-D warnings` error: use of `unwrap_or` followed by a call to `new` --> $DIR/methods.rs:327:5 | LL | with_new.unwrap_or(Vec::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_new.unwrap_or_default()` error: use of `unwrap_or` followed by a function call --> $DIR/methods.rs:330:21 | LL | with_const_args.unwrap_or(Vec::with_capacity(12)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| Vec::with_capacity(12))` error: use of `unwrap_or` followed by a function call --> $DIR/methods.rs:333:14 | LL | with_err.unwrap_or(make()); | ^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| make())` error: use of `unwrap_or` followed by a function call --> $DIR/methods.rs:336:19 | LL | with_err_args.unwrap_or(Vec::with_capacity(12)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| Vec::with_capacity(12))` error: use of `unwrap_or` followed by a call to `default` --> $DIR/methods.rs:339:5 | LL | with_default_trait.unwrap_or(Default::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_default_trait.unwrap_or_default()` error: use of `unwrap_or` followed by a call to `default` --> $DIR/methods.rs:342:5 | LL | with_default_type.unwrap_or(u64::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `with_default_type.unwrap_or_default()` error: use of `unwrap_or` followed by a function call --> $DIR/methods.rs:345:14 | LL | with_vec.unwrap_or(vec![]); | ^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| vec![])` error: use of `unwrap_or` followed by a function call --> $DIR/methods.rs:350:21 | LL | without_default.unwrap_or(Foo::new()); | ^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(Foo::new)` error: use of `or_insert` followed by a function call --> $DIR/methods.rs:353:19 | LL | map.entry(42).or_insert(String::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(String::new)` error: use of `or_insert` followed by a function call --> $DIR/methods.rs:356:21 | LL | btree.entry(42).or_insert(String::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(String::new)` error: use of `unwrap_or` followed by a function call --> $DIR/methods.rs:359:21 | LL | let _ = stringy.unwrap_or("".to_owned()); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".to_owned())` error: called `.iter().nth()` on a Vec. Calling `.get()` is both faster and more readable --> $DIR/methods.rs:370:23 | LL | let bad_vec = some_vec.iter().nth(3); | ^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::iter-nth` implied by `-D warnings` error: called `.iter().nth()` on a slice. Calling `.get()` is both faster and more readable --> $DIR/methods.rs:371:26 | LL | let bad_slice = &some_vec[..].iter().nth(3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: called `.iter().nth()` on a slice. Calling `.get()` is both faster and more readable --> $DIR/methods.rs:372:31 | LL | let bad_boxed_slice = boxed_slice.iter().nth(3); | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: called `.iter().nth()` on a VecDeque. Calling `.get()` is both faster and more readable --> $DIR/methods.rs:373:29 | LL | let bad_vec_deque = some_vec_deque.iter().nth(3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: called `.iter_mut().nth()` on a Vec. Calling `.get_mut()` is both faster and more readable --> $DIR/methods.rs:378:23 | LL | let bad_vec = some_vec.iter_mut().nth(3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: called `.iter_mut().nth()` on a slice. Calling `.get_mut()` is both faster and more readable --> $DIR/methods.rs:381:26 | LL | let bad_slice = &some_vec[..].iter_mut().nth(3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: called `.iter_mut().nth()` on a VecDeque. Calling `.get_mut()` is both faster and more readable --> $DIR/methods.rs:384:29 | LL | let bad_vec_deque = some_vec_deque.iter_mut().nth(3); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)` --> $DIR/methods.rs:396:13 | LL | let _ = some_vec.iter().skip(42).next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::iter-skip-next` implied by `-D warnings` error: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)` --> $DIR/methods.rs:397:13 | LL | let _ = some_vec.iter().cycle().skip(42).next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)` --> $DIR/methods.rs:398:13 | LL | let _ = (1..10).skip(10).next(); | ^^^^^^^^^^^^^^^^^^^^^^^ error: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)` --> $DIR/methods.rs:399:14 | LL | let _ = &some_vec[..].iter().skip(3).next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: used unwrap() on an Option value. If you don't want to handle the None case gracefully, consider using expect() to provide a better panic message --> $DIR/methods.rs:408:13 | LL | let _ = opt.unwrap(); | ^^^^^^^^^^^^ | = note: `-D clippy::option-unwrap-used` implied by `-D warnings` error: aborting due to 50 previous errors