mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 16:24:46 +00:00
462 lines
18 KiB
Plaintext
462 lines
18 KiB
Plaintext
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:31:5
|
|
|
|
|
31 | 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:42:17
|
|
|
|
|
42 | 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:44:21
|
|
|
|
|
44 | fn to_something(self) -> u32 { 0 }
|
|
| ^^^^
|
|
|
|
error: methods called `new` usually take no self; consider choosing a less ambiguous name
|
|
--> $DIR/methods.rs:46:12
|
|
|
|
|
46 | 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:114:13
|
|
|
|
|
114 | let _ = opt.map(|x| x + 1)
|
|
| _____________^
|
|
115 | |
|
|
116 | | .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:118:13
|
|
|
|
|
118 | let _ = opt.map(|x| {
|
|
| _____________^
|
|
119 | | x + 1
|
|
120 | | }
|
|
121 | | ).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:122:13
|
|
|
|
|
122 | let _ = opt.map(|x| x + 1)
|
|
| _____________^
|
|
123 | | .unwrap_or({
|
|
124 | | 0
|
|
125 | | });
|
|
| |__________________^
|
|
|
|
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:127:13
|
|
|
|
|
127 | 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:129:13
|
|
|
|
|
129 | let _ = opt.map(|x| {
|
|
| _____________^
|
|
130 | | Some(x + 1)
|
|
131 | | }
|
|
132 | | ).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:133:13
|
|
|
|
|
133 | let _ = opt
|
|
| _____________^
|
|
134 | | .map(|x| Some(x + 1))
|
|
135 | | .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:141:13
|
|
|
|
|
141 | let _ = opt.map(|x| x + 1)
|
|
| _____________^
|
|
142 | |
|
|
143 | | .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:145:13
|
|
|
|
|
145 | let _ = opt.map(|x| {
|
|
| _____________^
|
|
146 | | x + 1
|
|
147 | | }
|
|
148 | | ).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:149:13
|
|
|
|
|
149 | let _ = opt.map(|x| x + 1)
|
|
| _____________^
|
|
150 | | .unwrap_or_else(||
|
|
151 | | 0
|
|
152 | | );
|
|
| |_________________^
|
|
|
|
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:158:13
|
|
|
|
|
158 | 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:160:13
|
|
|
|
|
160 | let _ = opt.map_or(None, |x| {
|
|
| _____________^
|
|
161 | | Some(x + 1)
|
|
162 | | }
|
|
163 | | );
|
|
| |_________________^
|
|
help: try using and_then instead
|
|
|
|
|
160 | let _ = opt.and_then(|x| {
|
|
161 | Some(x + 1)
|
|
162 | });
|
|
|
|
|
|
|
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:173:13
|
|
|
|
|
173 | let _ = res.map(|x| x + 1)
|
|
| _____________^
|
|
174 | |
|
|
175 | | .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:177:13
|
|
|
|
|
177 | let _ = res.map(|x| {
|
|
| _____________^
|
|
178 | | x + 1
|
|
179 | | }
|
|
180 | | ).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:181:13
|
|
|
|
|
181 | let _ = res.map(|x| x + 1)
|
|
| _____________^
|
|
182 | | .unwrap_or_else(|e|
|
|
183 | | 0
|
|
184 | | );
|
|
| |_________________^
|
|
|
|
error: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
|
|
--> $DIR/methods.rs:244:13
|
|
|
|
|
244 | 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:247:13
|
|
|
|
|
247 | let _ = v.iter().filter(|&x| {
|
|
| _____________^
|
|
248 | | *x < 0
|
|
249 | | }
|
|
250 | | ).next();
|
|
| |___________________________^
|
|
|
|
error: called `is_some()` after searching an `Iterator` with find. This is more succinctly expressed by calling `any()`.
|
|
--> $DIR/methods.rs:262:13
|
|
|
|
|
262 | 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:265:13
|
|
|
|
|
265 | let _ = v.iter().find(|&x| {
|
|
| _____________^
|
|
266 | | *x < 0
|
|
267 | | }
|
|
268 | | ).is_some();
|
|
| |______________________________^
|
|
|
|
error: called `is_some()` after searching an `Iterator` with position. This is more succinctly expressed by calling `any()`.
|
|
--> $DIR/methods.rs:271:13
|
|
|
|
|
271 | 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:274:13
|
|
|
|
|
274 | let _ = v.iter().position(|&x| {
|
|
| _____________^
|
|
275 | | x < 0
|
|
276 | | }
|
|
277 | | ).is_some();
|
|
| |______________________________^
|
|
|
|
error: called `is_some()` after searching an `Iterator` with rposition. This is more succinctly expressed by calling `any()`.
|
|
--> $DIR/methods.rs:280:13
|
|
|
|
|
280 | 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:283:13
|
|
|
|
|
283 | let _ = v.iter().rposition(|&x| {
|
|
| _____________^
|
|
284 | | x < 0
|
|
285 | | }
|
|
286 | | ).is_some();
|
|
| |______________________________^
|
|
|
|
error: use of `unwrap_or` followed by a function call
|
|
--> $DIR/methods.rs:318:22
|
|
|
|
|
318 | 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:321:5
|
|
|
|
|
321 | 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:324:21
|
|
|
|
|
324 | 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:327:14
|
|
|
|
|
327 | 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:330:19
|
|
|
|
|
330 | 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:333:5
|
|
|
|
|
333 | 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:336:5
|
|
|
|
|
336 | 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:339:14
|
|
|
|
|
339 | with_vec.unwrap_or(vec![]);
|
|
| ^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| < [ _ ] > :: into_vec ( box [ $ ( $ x ) , * ] ))`
|
|
|
|
error: use of `unwrap_or` followed by a function call
|
|
--> $DIR/methods.rs:344:21
|
|
|
|
|
344 | 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:347:19
|
|
|
|
|
347 | 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:350:21
|
|
|
|
|
350 | 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:353:21
|
|
|
|
|
353 | let _ = stringy.unwrap_or("".to_owned());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "".to_owned())`
|
|
|
|
error: `error_code` is shadowed by `123_i32`
|
|
--> $DIR/methods.rs:387:9
|
|
|
|
|
387 | let error_code = 123_i32;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= note: `-D clippy::shadow-unrelated` implied by `-D warnings`
|
|
note: initialization happens here
|
|
--> $DIR/methods.rs:387:22
|
|
|
|
|
387 | let error_code = 123_i32;
|
|
| ^^^^^^^
|
|
note: previous binding is here
|
|
--> $DIR/methods.rs:374:9
|
|
|
|
|
374 | let error_code = 123_i32;
|
|
| ^^^^^^^^^^
|
|
|
|
error: use of `expect` followed by a function call
|
|
--> $DIR/methods.rs:376:26
|
|
|
|
|
376 | with_none_and_format.expect(&format!("Error {}: fake error", error_code));
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Error {}: fake error", error_code))`
|
|
|
|
|
= note: `-D clippy::expect-fun-call` implied by `-D warnings`
|
|
|
|
error: use of `expect` followed by a function call
|
|
--> $DIR/methods.rs:379:26
|
|
|
|
|
379 | with_none_and_as_str.expect(format!("Error {}: fake error", error_code).as_str());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Error {}: fake error", error_code))`
|
|
|
|
error: use of `expect` followed by a function call
|
|
--> $DIR/methods.rs:389:25
|
|
|
|
|
389 | with_err_and_format.expect(&format!("Error {}: fake error", error_code));
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Error {}: fake error", error_code))`
|
|
|
|
error: use of `expect` followed by a function call
|
|
--> $DIR/methods.rs:392:25
|
|
|
|
|
392 | with_err_and_as_str.expect(format!("Error {}: fake error", error_code).as_str());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Error {}: fake error", error_code))`
|
|
|
|
error: use of `expect` followed by a function call
|
|
--> $DIR/methods.rs:407:17
|
|
|
|
|
407 | Some("foo").expect({ &format!("error") });
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| { let msg = { &format!("error") }; panic!(msg) }))`
|
|
|
|
error: use of `expect` followed by a function call
|
|
--> $DIR/methods.rs:408:17
|
|
|
|
|
408 | Some("foo").expect(format!("error").as_ref());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("error"))`
|
|
|
|
error: called `.iter().nth()` on a Vec. Calling `.get()` is both faster and more readable
|
|
--> $DIR/methods.rs:419:23
|
|
|
|
|
419 | 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:420:26
|
|
|
|
|
420 | 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:421:31
|
|
|
|
|
421 | 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:422:29
|
|
|
|
|
422 | 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:427:23
|
|
|
|
|
427 | 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:430:26
|
|
|
|
|
430 | 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:433:29
|
|
|
|
|
433 | 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:445:13
|
|
|
|
|
445 | 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:446:13
|
|
|
|
|
446 | 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:447:13
|
|
|
|
|
447 | 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:448:14
|
|
|
|
|
448 | 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:457:13
|
|
|
|
|
457 | let _ = opt.unwrap();
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= note: `-D clippy::option-unwrap-used` implied by `-D warnings`
|
|
|
|
error: aborting due to 57 previous errors
|
|
|