399 lines
16 KiB
Text
399 lines
16 KiB
Text
error: useless conversion to the same type: `T`
|
|
--> tests/ui/useless_conversion.rs:9:13
|
|
|
|
|
LL | let _ = T::from(val);
|
|
| ^^^^^^^^^^^^ help: consider removing `T::from()`: `val`
|
|
|
|
|
note: the lint level is defined here
|
|
--> tests/ui/useless_conversion.rs:1:9
|
|
|
|
|
LL | #![deny(clippy::useless_conversion)]
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: useless conversion to the same type: `T`
|
|
--> tests/ui/useless_conversion.rs:11:5
|
|
|
|
|
LL | val.into()
|
|
| ^^^^^^^^^^ help: consider removing `.into()`: `val`
|
|
|
|
error: useless conversion to the same type: `i32`
|
|
--> tests/ui/useless_conversion.rs:24:22
|
|
|
|
|
LL | let _: i32 = 0i32.into();
|
|
| ^^^^^^^^^^^ help: consider removing `.into()`: `0i32`
|
|
|
|
error: useless conversion to the same type: `std::str::Lines<'_>`
|
|
--> tests/ui/useless_conversion.rs:55:22
|
|
|
|
|
LL | if Some("ok") == lines.into_iter().next() {}
|
|
| ^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `lines`
|
|
|
|
error: useless conversion to the same type: `std::str::Lines<'_>`
|
|
--> tests/ui/useless_conversion.rs:61:21
|
|
|
|
|
LL | let mut lines = text.lines().into_iter();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `text.lines()`
|
|
|
|
error: useless conversion to the same type: `std::str::Lines<'_>`
|
|
--> tests/ui/useless_conversion.rs:68:22
|
|
|
|
|
LL | if Some("ok") == text.lines().into_iter().next() {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `text.lines()`
|
|
|
|
error: useless conversion to the same type: `std::ops::Range<i32>`
|
|
--> tests/ui/useless_conversion.rs:75:13
|
|
|
|
|
LL | let _ = NUMBERS.into_iter().next();
|
|
| ^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `NUMBERS`
|
|
|
|
error: useless conversion to the same type: `std::ops::Range<i32>`
|
|
--> tests/ui/useless_conversion.rs:81:17
|
|
|
|
|
LL | let mut n = NUMBERS.into_iter();
|
|
| ^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `NUMBERS`
|
|
|
|
error: useless conversion to the same type: `std::string::String`
|
|
--> tests/ui/useless_conversion.rs:144:21
|
|
|
|
|
LL | let _: String = "foo".to_string().into();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"foo".to_string()`
|
|
|
|
error: useless conversion to the same type: `std::string::String`
|
|
--> tests/ui/useless_conversion.rs:146:21
|
|
|
|
|
LL | let _: String = From::from("foo".to_string());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `From::from()`: `"foo".to_string()`
|
|
|
|
error: useless conversion to the same type: `std::string::String`
|
|
--> tests/ui/useless_conversion.rs:148:13
|
|
|
|
|
LL | let _ = String::from("foo".to_string());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `"foo".to_string()`
|
|
|
|
error: useless conversion to the same type: `std::string::String`
|
|
--> tests/ui/useless_conversion.rs:150:13
|
|
|
|
|
LL | let _ = String::from(format!("A: {:04}", 123));
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("A: {:04}", 123)`
|
|
|
|
error: useless conversion to the same type: `std::str::Lines<'_>`
|
|
--> tests/ui/useless_conversion.rs:152:13
|
|
|
|
|
LL | let _ = "".lines().into_iter();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `"".lines()`
|
|
|
|
error: useless conversion to the same type: `std::vec::IntoIter<i32>`
|
|
--> tests/ui/useless_conversion.rs:154:13
|
|
|
|
|
LL | let _ = vec![1, 2, 3].into_iter().into_iter();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `vec![1, 2, 3].into_iter()`
|
|
|
|
error: useless conversion to the same type: `std::string::String`
|
|
--> tests/ui/useless_conversion.rs:156:21
|
|
|
|
|
LL | let _: String = format!("Hello {}", "world").into();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `format!("Hello {}", "world")`
|
|
|
|
error: useless conversion to the same type: `i32`
|
|
--> tests/ui/useless_conversion.rs:162:13
|
|
|
|
|
LL | let _ = i32::from(a + b) * 3;
|
|
| ^^^^^^^^^^^^^^^^ help: consider removing `i32::from()`: `(a + b)`
|
|
|
|
error: useless conversion to the same type: `Foo<'a'>`
|
|
--> tests/ui/useless_conversion.rs:169:23
|
|
|
|
|
LL | let _: Foo<'a'> = s2.into();
|
|
| ^^^^^^^^^ help: consider removing `.into()`: `s2`
|
|
|
|
error: useless conversion to the same type: `Foo<'a'>`
|
|
--> tests/ui/useless_conversion.rs:172:13
|
|
|
|
|
LL | let _ = Foo::<'a'>::from(s3);
|
|
| ^^^^^^^^^^^^^^^^^^^^ help: consider removing `Foo::<'a'>::from()`: `s3`
|
|
|
|
error: useless conversion to the same type: `std::vec::IntoIter<Foo<'a'>>`
|
|
--> tests/ui/useless_conversion.rs:175:13
|
|
|
|
|
LL | let _ = vec![s4, s4, s4].into_iter().into_iter();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `vec![s4, s4, s4].into_iter()`
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:208:7
|
|
|
|
|
LL | b(vec![1, 2].into_iter());
|
|
| ^^^^^^^^^^------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:198:13
|
|
|
|
|
LL | fn b<T: IntoIterator<Item = i32>>(_: T) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:210:7
|
|
|
|
|
LL | c(vec![1, 2].into_iter());
|
|
| ^^^^^^^^^^------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:199:18
|
|
|
|
|
LL | fn c(_: impl IntoIterator<Item = i32>) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:212:7
|
|
|
|
|
LL | d(vec![1, 2].into_iter());
|
|
| ^^^^^^^^^^------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:202:12
|
|
|
|
|
LL | T: IntoIterator<Item = i32>,
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:216:7
|
|
|
|
|
LL | b(vec![1, 2].into_iter().into_iter());
|
|
| ^^^^^^^^^^------------------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`s
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:198:13
|
|
|
|
|
LL | fn b<T: IntoIterator<Item = i32>>(_: T) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:218:7
|
|
|
|
|
LL | b(vec![1, 2].into_iter().into_iter().into_iter());
|
|
| ^^^^^^^^^^------------------------------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`s
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:198:13
|
|
|
|
|
LL | fn b<T: IntoIterator<Item = i32>>(_: T) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:265:24
|
|
|
|
|
LL | foo2::<i32, _>([1, 2, 3].into_iter());
|
|
| ^^^^^^^^^------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:244:12
|
|
|
|
|
LL | I: IntoIterator<Item = i32> + Helper<X>,
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:274:14
|
|
|
|
|
LL | foo3([1, 2, 3].into_iter());
|
|
| ^^^^^^^^^------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:253:12
|
|
|
|
|
LL | I: IntoIterator<Item = i32>,
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:284:16
|
|
|
|
|
LL | S1.foo([1, 2].into_iter());
|
|
| ^^^^^^------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:281:27
|
|
|
|
|
LL | pub fn foo<I: IntoIterator>(&self, _: I) {}
|
|
| ^^^^^^^^^^^^
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:304:44
|
|
|
|
|
LL | v0.into_iter().interleave_shortest(v1.into_iter());
|
|
| ^^------------
|
|
| |
|
|
| help: consider removing the `.into_iter()`
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:291:20
|
|
|
|
|
LL | J: IntoIterator,
|
|
| ^^^^^^^^^^^^
|
|
|
|
error: useless conversion to the same type: `()`
|
|
--> tests/ui/useless_conversion.rs:332:58
|
|
|
|
|
LL | let _: Result<(), std::io::Error> = test_issue_3913().map(Into::into);
|
|
| ^^^^^^^^^^^^^^^^ help: consider removing
|
|
|
|
error: useless conversion to the same type: `std::io::Error`
|
|
--> tests/ui/useless_conversion.rs:335:58
|
|
|
|
|
LL | let _: Result<(), std::io::Error> = test_issue_3913().map_err(Into::into);
|
|
| ^^^^^^^^^^^^^^^^^^^^ help: consider removing
|
|
|
|
error: useless conversion to the same type: `()`
|
|
--> tests/ui/useless_conversion.rs:338:58
|
|
|
|
|
LL | let _: Result<(), std::io::Error> = test_issue_3913().map(From::from);
|
|
| ^^^^^^^^^^^^^^^^ help: consider removing
|
|
|
|
error: useless conversion to the same type: `std::io::Error`
|
|
--> tests/ui/useless_conversion.rs:341:58
|
|
|
|
|
LL | let _: Result<(), std::io::Error> = test_issue_3913().map_err(From::from);
|
|
| ^^^^^^^^^^^^^^^^^^^^ help: consider removing
|
|
|
|
error: useless conversion to the same type: `()`
|
|
--> tests/ui/useless_conversion.rs:345:31
|
|
|
|
|
LL | let _: ControlFlow<()> = c.map_break(Into::into);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing
|
|
|
|
error: useless conversion to the same type: `()`
|
|
--> tests/ui/useless_conversion.rs:349:31
|
|
|
|
|
LL | let _: ControlFlow<()> = c.map_continue(Into::into);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing
|
|
|
|
error: useless conversion to the same type: `u32`
|
|
--> tests/ui/useless_conversion.rs:363:41
|
|
|
|
|
LL | let _: Vec<u32> = [1u32].into_iter().map(Into::into).collect();
|
|
| ^^^^^^^^^^^^^^^^ help: consider removing
|
|
|
|
error: useless conversion to the same type: `T`
|
|
--> tests/ui/useless_conversion.rs:374:18
|
|
|
|
|
LL | x.into_iter().map(Into::into).collect()
|
|
| ^^^^^^^^^^^^^^^^ help: consider removing
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:390:29
|
|
|
|
|
LL | takes_into_iter(self.my_field.into_iter());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:379:32
|
|
|
|
|
LL | fn takes_into_iter(_: impl IntoIterator<Item = String>) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
help: consider removing the `.into_iter()`
|
|
|
|
|
LL - takes_into_iter(self.my_field.into_iter());
|
|
LL + takes_into_iter(&self.my_field);
|
|
|
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:398:29
|
|
|
|
|
LL | takes_into_iter(self.my_field.into_iter());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:379:32
|
|
|
|
|
LL | fn takes_into_iter(_: impl IntoIterator<Item = String>) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
help: consider removing the `.into_iter()`
|
|
|
|
|
LL - takes_into_iter(self.my_field.into_iter());
|
|
LL + takes_into_iter(&mut self.my_field);
|
|
|
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:407:29
|
|
|
|
|
LL | takes_into_iter(self.my_field.into_iter());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:379:32
|
|
|
|
|
LL | fn takes_into_iter(_: impl IntoIterator<Item = String>) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
help: consider removing the `.into_iter()`
|
|
|
|
|
LL - takes_into_iter(self.my_field.into_iter());
|
|
LL + takes_into_iter(*self.my_field);
|
|
|
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:416:29
|
|
|
|
|
LL | takes_into_iter(self.my_field.into_iter());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:379:32
|
|
|
|
|
LL | fn takes_into_iter(_: impl IntoIterator<Item = String>) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
help: consider removing the `.into_iter()`
|
|
|
|
|
LL - takes_into_iter(self.my_field.into_iter());
|
|
LL + takes_into_iter(&*self.my_field);
|
|
|
|
|
|
|
error: explicit call to `.into_iter()` in function argument accepting `IntoIterator`
|
|
--> tests/ui/useless_conversion.rs:425:29
|
|
|
|
|
LL | takes_into_iter(self.my_field.into_iter());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
note: this parameter accepts any `IntoIterator`, so you don't need to call `.into_iter()`
|
|
--> tests/ui/useless_conversion.rs:379:32
|
|
|
|
|
LL | fn takes_into_iter(_: impl IntoIterator<Item = String>) {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
help: consider removing the `.into_iter()`
|
|
|
|
|
LL - takes_into_iter(self.my_field.into_iter());
|
|
LL + takes_into_iter(&mut *self.my_field);
|
|
|
|
|
|
|
error: useless conversion to the same type: `std::ops::Range<u32>`
|
|
--> tests/ui/useless_conversion.rs:440:5
|
|
|
|
|
LL | R.into_iter().for_each(|_x| {});
|
|
| ^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `R`
|
|
|
|
error: useless conversion to the same type: `std::ops::Range<u32>`
|
|
--> tests/ui/useless_conversion.rs:442:13
|
|
|
|
|
LL | let _ = R.into_iter().map(|_x| 0);
|
|
| ^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `R`
|
|
|
|
error: useless conversion to the same type: `std::slice::Iter<'_, i32>`
|
|
--> tests/ui/useless_conversion.rs:453:14
|
|
|
|
|
LL | for _ in mac!(iter [1, 2]).into_iter() {}
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `mac!(iter [1, 2])`
|
|
|
|
error: aborting due to 44 previous errors
|
|
|