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:38:5 | 38 | 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:49:17 | 49 | 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:51:21 | 51 | fn to_something(self) -> u32 { 0 } | ^^^^ error: methods called `new` usually take no self; consider choosing a less ambiguous name --> $DIR/methods.rs:53:12 | 53 | 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:121:13 | 121 | let _ = opt.map(|x| x + 1) | _____________^ 122 | | 123 | | .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:125:13 | 125 | let _ = opt.map(|x| { | _____________^ 126 | | x + 1 127 | | } 128 | | ).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:129:13 | 129 | let _ = opt.map(|x| x + 1) | _____________^ 130 | | .unwrap_or({ 131 | | 0 132 | | }); | |__________________^ 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:134:13 | 134 | 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:136:13 | 136 | let _ = opt.map(|x| { | _____________^ 137 | | Some(x + 1) 138 | | } 139 | | ).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:140:13 | 140 | let _ = opt | _____________^ 141 | | .map(|x| Some(x + 1)) 142 | | .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:148:13 | 148 | let _ = opt.map(|x| x + 1) | _____________^ 149 | | 150 | | .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:152:13 | 152 | let _ = opt.map(|x| { | _____________^ 153 | | x + 1 154 | | } 155 | | ).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:156:13 | 156 | let _ = opt.map(|x| x + 1) | _____________^ 157 | | .unwrap_or_else(|| 158 | | 0 159 | | ); | |_________________^ 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:165:13 | 165 | 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:167:13 | 167 | let _ = opt.map_or(None, |x| { | _____________^ 168 | | Some(x + 1) 169 | | } 170 | | ); | |_________________^ help: try using and_then instead | 167 | let _ = opt.and_then(|x| { 168 | Some(x + 1) 169 | }); | 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:180:13 | 180 | let _ = res.map(|x| x + 1) | _____________^ 181 | | 182 | | .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:184:13 | 184 | let _ = res.map(|x| { | _____________^ 185 | | x + 1 186 | | } 187 | | ).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:188:13 | 188 | let _ = res.map(|x| x + 1) | _____________^ 189 | | .unwrap_or_else(|e| 190 | | 0 191 | | ); | |_________________^ error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead. --> $DIR/methods.rs:251:13 | 251 | 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:254:13 | 254 | let _ = v.iter().filter(|&x| { | _____________^ 255 | | *x < 0 256 | | } 257 | | ).next(); | |___________________________^ error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:269:13 | 269 | 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:272:13 | 272 | let _ = v.iter().find(|&x| { | _____________^ 273 | | *x < 0 274 | | } 275 | | ).is_some(); | |______________________________^ error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:278:13 | 278 | 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:281:13 | 281 | let _ = v.iter().position(|&x| { | _____________^ 282 | | x < 0 283 | | } 284 | | ).is_some(); | |______________________________^ error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`. --> $DIR/methods.rs:287:13 | 287 | 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:290:13 | 290 | let _ = v.iter().rposition(|&x| { | _____________^ 291 | | x < 0 292 | | } 293 | | ).is_some(); | |______________________________^ error: use of `unwrap_or` followed by a function call --> $DIR/methods.rs:325:22 | 325 | 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:328:5 | 328 | 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:331:21 | 331 | 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:334:14 | 334 | 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:337:19 | 337 | 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:340:5 | 340 | 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:343:5 | 343 | 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:346:14 | 346 | 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:351:21 | 351 | 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:354:19 | 354 | 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:357:21 | 357 | 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:360:21 | 360 | 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:371:23 | 371 | 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:372:26 | 372 | 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:373:31 | 373 | 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:374:29 | 374 | 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:379:23 | 379 | 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:382:26 | 382 | 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:385:29 | 385 | 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:397:13 | 397 | 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:398:13 | 398 | 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:399:13 | 399 | 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:400:14 | 400 | 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:409:13 | 409 | let _ = opt.unwrap(); | ^^^^^^^^^^^^ | = note: `-D clippy::option-unwrap-used` implied by `-D warnings` error: aborting due to 50 previous errors