rust-clippy/tests/ui/unnecessary_cast.stderr

error: casting raw pointers to the same type and constness is unnecessary (`*const T` -> `*const T`)
  --> tests/ui/unnecessary_cast.rs:19:5
   |
LL |     ptr as *const T
   |     ^^^^^^^^^^^^^^^ help: try: `ptr`
   |
   = note: `-D clippy::unnecessary-cast` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::unnecessary_cast)]`

error: casting integer literal to `i32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:54:5
   |
LL |     1i32 as i32;
   |     ^^^^^^^^^^^ help: try: `1_i32`

error: casting float literal to `f32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:55:5
   |
LL |     1f32 as f32;
   |     ^^^^^^^^^^^ help: try: `1_f32`

error: casting to the same type is unnecessary (`bool` -> `bool`)
  --> tests/ui/unnecessary_cast.rs:56:5
   |
LL |     false as bool;
   |     ^^^^^^^^^^^^^ help: try: `false`

error: casting integer literal to `i32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:59:5
   |
LL |     -1_i32 as i32;
   |     ^^^^^^^^^^^^^ help: try: `-1_i32`

error: casting integer literal to `i32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:60:5
   |
LL |     - 1_i32 as i32;
   |     ^^^^^^^^^^^^^^ help: try: `- 1_i32`

error: casting float literal to `f32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:61:5
   |
LL |     -1f32 as f32;
   |     ^^^^^^^^^^^^ help: try: `-1_f32`

error: casting integer literal to `i32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:62:5
   |
LL |     1_i32 as i32;
   |     ^^^^^^^^^^^^ help: try: `1_i32`

error: casting float literal to `f32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:63:5
   |
LL |     1_f32 as f32;
   |     ^^^^^^^^^^^^ help: try: `1_f32`

error: casting raw pointers to the same type and constness is unnecessary (`*const u8` -> `*const u8`)
  --> tests/ui/unnecessary_cast.rs:65:22
   |
LL |     let _: *mut u8 = [1u8, 2].as_ptr() as *const u8 as *mut u8;
   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `[1u8, 2].as_ptr()`

error: casting raw pointers to the same type and constness is unnecessary (`*const u8` -> `*const u8`)
  --> tests/ui/unnecessary_cast.rs:67:5
   |
LL |     [1u8, 2].as_ptr() as *const u8;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `[1u8, 2].as_ptr()`

error: casting raw pointers to the same type and constness is unnecessary (`*mut u8` -> `*mut u8`)
  --> tests/ui/unnecessary_cast.rs:69:5
   |
LL |     [1u8, 2].as_mut_ptr() as *mut u8;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `[1u8, 2].as_mut_ptr()`

error: casting raw pointers to the same type and constness is unnecessary (`*const u32` -> `*const u32`)
  --> tests/ui/unnecessary_cast.rs:80:5
   |
LL |     owo::<u32>([1u32].as_ptr()) as *const u32;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `owo::<u32>([1u32].as_ptr())`

error: casting raw pointers to the same type and constness is unnecessary (`*const u8` -> `*const u8`)
  --> tests/ui/unnecessary_cast.rs:81:5
   |
LL |     uwu::<u32, u8>([1u32].as_ptr()) as *const u8;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `uwu::<u32, u8>([1u32].as_ptr())`

error: casting raw pointers to the same type and constness is unnecessary (`*const u32` -> `*const u32`)
  --> tests/ui/unnecessary_cast.rs:83:5
   |
LL |     uwu::<u32, u32>([1u32].as_ptr()) as *const u32;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `uwu::<u32, u32>([1u32].as_ptr())`

error: casting to the same type is unnecessary (`u32` -> `u32`)
  --> tests/ui/unnecessary_cast.rs:118:5
   |
LL |     aaa() as u32;
   |     ^^^^^^^^^^^^ help: try: `aaa()`

error: casting to the same type is unnecessary (`u32` -> `u32`)
  --> tests/ui/unnecessary_cast.rs:120:5
   |
LL |     aaa() as u32;
   |     ^^^^^^^^^^^^ help: try: `aaa()`

error: casting integer literal to `f32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:156:9
   |
LL |         100 as f32;
   |         ^^^^^^^^^^ help: try: `100_f32`

error: casting integer literal to `f64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:157:9
   |
LL |         100 as f64;
   |         ^^^^^^^^^^ help: try: `100_f64`

error: casting integer literal to `f64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:158:9
   |
LL |         100_i32 as f64;
   |         ^^^^^^^^^^^^^^ help: try: `100_f64`

error: casting integer literal to `f32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:159:17
   |
LL |         let _ = -100 as f32;
   |                 ^^^^^^^^^^^ help: try: `-100_f32`

error: casting integer literal to `f64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:160:17
   |
LL |         let _ = -100 as f64;
   |                 ^^^^^^^^^^^ help: try: `-100_f64`

error: casting integer literal to `f64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:161:17
   |
LL |         let _ = -100_i32 as f64;
   |                 ^^^^^^^^^^^^^^^ help: try: `-100_f64`

error: casting float literal to `f32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:162:9
   |
LL |         100. as f32;
   |         ^^^^^^^^^^^ help: try: `100_f32`

error: casting float literal to `f64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:163:9
   |
LL |         100. as f64;
   |         ^^^^^^^^^^^ help: try: `100_f64`

error: casting integer literal to `u32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:175:9
   |
LL |         1 as u32;
   |         ^^^^^^^^ help: try: `1_u32`

error: casting integer literal to `i32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:176:9
   |
LL |         0x10 as i32;
   |         ^^^^^^^^^^^ help: try: `0x10_i32`

error: casting integer literal to `usize` is unnecessary
  --> tests/ui/unnecessary_cast.rs:177:9
   |
LL |         0b10 as usize;
   |         ^^^^^^^^^^^^^ help: try: `0b10_usize`

error: casting integer literal to `u16` is unnecessary
  --> tests/ui/unnecessary_cast.rs:178:9
   |
LL |         0o73 as u16;
   |         ^^^^^^^^^^^ help: try: `0o73_u16`

error: casting integer literal to `u32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:179:9
   |
LL |         1_000_000_000 as u32;
   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `1_000_000_000_u32`

error: casting float literal to `f64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:181:9
   |
LL |         1.0 as f64;
   |         ^^^^^^^^^^ help: try: `1.0_f64`

error: casting float literal to `f32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:182:9
   |
LL |         0.5 as f32;
   |         ^^^^^^^^^^ help: try: `0.5_f32`

error: casting integer literal to `i32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:186:17
   |
LL |         let _ = -1 as i32;
   |                 ^^^^^^^^^ help: try: `-1_i32`

error: casting float literal to `f32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:187:17
   |
LL |         let _ = -1.0 as f32;
   |                 ^^^^^^^^^^^ help: try: `-1.0_f32`

error: casting to the same type is unnecessary (`i32` -> `i32`)
  --> tests/ui/unnecessary_cast.rs:193:18
   |
LL |         let _ = &(x as i32);
   |                  ^^^^^^^^^^ help: try: `{ x }`

error: casting integer literal to `i32` is unnecessary
  --> tests/ui/unnecessary_cast.rs:199:22
   |
LL |         let _: i32 = -(1) as i32;
   |                      ^^^^^^^^^^^ help: try: `-1_i32`

error: casting integer literal to `i64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:201:22
   |
LL |         let _: i64 = -(1) as i64;
   |                      ^^^^^^^^^^^ help: try: `-1_i64`

error: casting float literal to `f64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:208:22
   |
LL |         let _: f64 = (-8.0 as f64).exp();
   |                      ^^^^^^^^^^^^^ help: try: `(-8.0_f64)`

error: casting float literal to `f64` is unnecessary
  --> tests/ui/unnecessary_cast.rs:210:23
   |
LL |         let _: f64 = -(8.0 as f64).exp(); // should suggest `-8.0_f64.exp()` here not to change code behavior
   |                       ^^^^^^^^^^^^ help: try: `8.0_f64`

error: casting to the same type is unnecessary (`f32` -> `f32`)
  --> tests/ui/unnecessary_cast.rs:218:20
   |
LL |         let _num = foo() as f32;
   |                    ^^^^^^^^^^^^ help: try: `foo()`

error: casting to the same type is unnecessary (`usize` -> `usize`)
  --> tests/ui/unnecessary_cast.rs:228:9
   |
LL |         (*x as usize).pow(2)
   |         ^^^^^^^^^^^^^ help: try: `{ *x }`

error: aborting due to 41 previous errors