rust-clippy/tests/ui/useless_conversion.stderr

error: useless conversion to the same type: `T`
  --> $DIR/useless_conversion.rs:6:13
   |
LL |     let _ = T::from(val);
   |             ^^^^^^^^^^^^ help: consider removing `T::from()`: `val`
   |
note: the lint level is defined here
  --> $DIR/useless_conversion.rs:3:9
   |
LL | #![deny(clippy::useless_conversion)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^

error: useless conversion to the same type: `T`
  --> $DIR/useless_conversion.rs:7:5
   |
LL |     val.into()
   |     ^^^^^^^^^^ help: consider removing `.into()`: `val`

error: useless conversion to the same type: `i32`
  --> $DIR/useless_conversion.rs:19:22
   |
LL |         let _: i32 = 0i32.into();
   |                      ^^^^^^^^^^^ help: consider removing `.into()`: `0i32`

error: useless conversion to the same type: `std::string::String`
  --> $DIR/useless_conversion.rs:60:21
   |
LL |     let _: String = "foo".to_string().into();
   |                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `"foo".to_string()`

error: useless conversion to the same type: `std::string::String`
  --> $DIR/useless_conversion.rs:61:21
   |
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`
  --> $DIR/useless_conversion.rs:62:13
   |
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`
  --> $DIR/useless_conversion.rs:63:13
   |
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`
  --> $DIR/useless_conversion.rs:64:13
   |
LL |     let _ = "".lines().into_iter();
   |             ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `"".lines()`

error: useless conversion to the same type: `std::vec::IntoIter<i32>`
  --> $DIR/useless_conversion.rs:65:13
   |
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`
  --> $DIR/useless_conversion.rs:66:21
   |
LL |     let _: String = format!("Hello {}", "world").into();
   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `format!("Hello {}", "world")`

error: useless conversion to the same type: `i32`
  --> $DIR/useless_conversion.rs:71:13
   |
LL |     let _ = i32::from(a + b) * 3;
   |             ^^^^^^^^^^^^^^^^ help: consider removing `i32::from()`: `(a + b)`

error: aborting due to 11 previous errors