error: casting integer literal to `i32` is unnecessary
  --> $DIR/unnecessary_cast.rs:14:5
   |
LL |     1i32 as i32;
   |     ^^^^^^^^^^^ help: try: `1_i32`
   |
   = note: `-D clippy::unnecessary-cast` implied by `-D warnings`

error: casting float literal to `f32` is unnecessary
  --> $DIR/unnecessary_cast.rs:15:5
   |
LL |     1f32 as f32;
   |     ^^^^^^^^^^^ help: try: `1_f32`

error: casting to the same type is unnecessary (`bool` -> `bool`)
  --> $DIR/unnecessary_cast.rs:16:5
   |
LL |     false as bool;
   |     ^^^^^^^^^^^^^ help: try: `false`

error: casting integer literal to `i32` is unnecessary
  --> $DIR/unnecessary_cast.rs:19:5
   |
LL |     -1_i32 as i32;
   |     ^^^^^^^^^^^^^ help: try: `-1_i32`

error: casting integer literal to `i32` is unnecessary
  --> $DIR/unnecessary_cast.rs:20:5
   |
LL |     - 1_i32 as i32;
   |     ^^^^^^^^^^^^^^ help: try: `- 1_i32`

error: casting float literal to `f32` is unnecessary
  --> $DIR/unnecessary_cast.rs:21:5
   |
LL |     -1f32 as f32;
   |     ^^^^^^^^^^^^ help: try: `-1_f32`

error: casting integer literal to `i32` is unnecessary
  --> $DIR/unnecessary_cast.rs:22:5
   |
LL |     1_i32 as i32;
   |     ^^^^^^^^^^^^ help: try: `1_i32`

error: casting float literal to `f32` is unnecessary
  --> $DIR/unnecessary_cast.rs:23:5
   |
LL |     1_f32 as f32;
   |     ^^^^^^^^^^^^ help: try: `1_f32`

error: casting integer literal to `f32` is unnecessary
  --> $DIR/unnecessary_cast.rs:53:9
   |
LL |         100 as f32;
   |         ^^^^^^^^^^ help: try: `100_f32`

error: casting integer literal to `f64` is unnecessary
  --> $DIR/unnecessary_cast.rs:54:9
   |
LL |         100 as f64;
   |         ^^^^^^^^^^ help: try: `100_f64`

error: casting integer literal to `f64` is unnecessary
  --> $DIR/unnecessary_cast.rs:55:9
   |
LL |         100_i32 as f64;
   |         ^^^^^^^^^^^^^^ help: try: `100_f64`

error: casting integer literal to `f32` is unnecessary
  --> $DIR/unnecessary_cast.rs:56:17
   |
LL |         let _ = -100 as f32;
   |                 ^^^^^^^^^^^ help: try: `-100_f32`

error: casting integer literal to `f64` is unnecessary
  --> $DIR/unnecessary_cast.rs:57:17
   |
LL |         let _ = -100 as f64;
   |                 ^^^^^^^^^^^ help: try: `-100_f64`

error: casting integer literal to `f64` is unnecessary
  --> $DIR/unnecessary_cast.rs:58:17
   |
LL |         let _ = -100_i32 as f64;
   |                 ^^^^^^^^^^^^^^^ help: try: `-100_f64`

error: casting float literal to `f32` is unnecessary
  --> $DIR/unnecessary_cast.rs:59:9
   |
LL |         100. as f32;
   |         ^^^^^^^^^^^ help: try: `100_f32`

error: casting float literal to `f64` is unnecessary
  --> $DIR/unnecessary_cast.rs:60:9
   |
LL |         100. as f64;
   |         ^^^^^^^^^^^ help: try: `100_f64`

error: casting integer literal to `u32` is unnecessary
  --> $DIR/unnecessary_cast.rs:72:9
   |
LL |         1 as u32;
   |         ^^^^^^^^ help: try: `1_u32`

error: casting integer literal to `i32` is unnecessary
  --> $DIR/unnecessary_cast.rs:73:9
   |
LL |         0x10 as i32;
   |         ^^^^^^^^^^^ help: try: `0x10_i32`

error: casting integer literal to `usize` is unnecessary
  --> $DIR/unnecessary_cast.rs:74:9
   |
LL |         0b10 as usize;
   |         ^^^^^^^^^^^^^ help: try: `0b10_usize`

error: casting integer literal to `u16` is unnecessary
  --> $DIR/unnecessary_cast.rs:75:9
   |
LL |         0o73 as u16;
   |         ^^^^^^^^^^^ help: try: `0o73_u16`

error: casting integer literal to `u32` is unnecessary
  --> $DIR/unnecessary_cast.rs:76:9
   |
LL |         1_000_000_000 as u32;
   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `1_000_000_000_u32`

error: casting float literal to `f64` is unnecessary
  --> $DIR/unnecessary_cast.rs:78:9
   |
LL |         1.0 as f64;
   |         ^^^^^^^^^^ help: try: `1.0_f64`

error: casting float literal to `f32` is unnecessary
  --> $DIR/unnecessary_cast.rs:79:9
   |
LL |         0.5 as f32;
   |         ^^^^^^^^^^ help: try: `0.5_f32`

error: casting integer literal to `i32` is unnecessary
  --> $DIR/unnecessary_cast.rs:83:17
   |
LL |         let _ = -1 as i32;
   |                 ^^^^^^^^^ help: try: `-1_i32`

error: casting float literal to `f32` is unnecessary
  --> $DIR/unnecessary_cast.rs:84:17
   |
LL |         let _ = -1.0 as f32;
   |                 ^^^^^^^^^^^ help: try: `-1.0_f32`

error: casting integer literal to `i32` is unnecessary
  --> $DIR/unnecessary_cast.rs:93:22
   |
LL |         let _: i32 = -(1) as i32;
   |                      ^^^^^^^^^^^ help: try: `-1_i32`

error: casting integer literal to `i64` is unnecessary
  --> $DIR/unnecessary_cast.rs:95:22
   |
LL |         let _: i64 = -(1) as i64;
   |                      ^^^^^^^^^^^ help: try: `-1_i64`

error: casting float literal to `f64` is unnecessary
  --> $DIR/unnecessary_cast.rs:102:22
   |
LL |         let _: f64 = (-8.0 as f64).exp();
   |                      ^^^^^^^^^^^^^ help: try: `(-8.0_f64)`

error: casting float literal to `f64` is unnecessary
  --> $DIR/unnecessary_cast.rs:104:23
   |
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`)
  --> $DIR/unnecessary_cast.rs:112:20
   |
LL |         let _num = foo() as f32;
   |                    ^^^^^^^^^^^^ help: try: `foo()`

error: aborting due to 30 previous errors