rust-clippy/tests/ui/manual_bits.stderr

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:14:5
   |
LL |     size_of::<i8>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^ help: consider using: `i8::BITS as usize`
   |
   = note: `-D clippy::manual-bits` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::manual_bits)]`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:15:5
   |
LL |     size_of::<i16>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `i16::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:16:5
   |
LL |     size_of::<i32>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `i32::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:17:5
   |
LL |     size_of::<i64>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `i64::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:18:5
   |
LL |     size_of::<i128>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `i128::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:19:5
   |
LL |     size_of::<isize>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `isize::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:21:5
   |
LL |     size_of::<u8>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^ help: consider using: `u8::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:22:5
   |
LL |     size_of::<u16>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `u16::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:23:5
   |
LL |     size_of::<u32>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `u32::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:24:5
   |
LL |     size_of::<u64>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `u64::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:25:5
   |
LL |     size_of::<u128>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `u128::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:26:5
   |
LL |     size_of::<usize>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `usize::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:28:5
   |
LL |     8 * size_of::<i8>();
   |     ^^^^^^^^^^^^^^^^^^^ help: consider using: `i8::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:29:5
   |
LL |     8 * size_of::<i16>();
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `i16::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:30:5
   |
LL |     8 * size_of::<i32>();
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `i32::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:31:5
   |
LL |     8 * size_of::<i64>();
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `i64::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:32:5
   |
LL |     8 * size_of::<i128>();
   |     ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `i128::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:33:5
   |
LL |     8 * size_of::<isize>();
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `isize::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:35:5
   |
LL |     8 * size_of::<u8>();
   |     ^^^^^^^^^^^^^^^^^^^ help: consider using: `u8::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:36:5
   |
LL |     8 * size_of::<u16>();
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `u16::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:37:5
   |
LL |     8 * size_of::<u32>();
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `u32::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:38:5
   |
LL |     8 * size_of::<u64>();
   |     ^^^^^^^^^^^^^^^^^^^^ help: consider using: `u64::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:39:5
   |
LL |     8 * size_of::<u128>();
   |     ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `u128::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:40:5
   |
LL |     8 * size_of::<usize>();
   |     ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `usize::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:50:5
   |
LL |     size_of::<Word>() * 8;
   |     ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `Word::BITS as usize`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:54:18
   |
LL |     let _: u32 = (size_of::<u128>() * 8) as u32;
   |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `u128::BITS`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:55:18
   |
LL |     let _: u32 = (size_of::<u128>() * 8).try_into().unwrap();
   |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `u128::BITS`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:56:13
   |
LL |     let _ = (size_of::<u128>() * 8).pow(5);
   |             ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(u128::BITS as usize)`

error: usage of `mem::size_of::<T>()` to obtain the size of `T` in bits
  --> $DIR/manual_bits.rs:57:14
   |
LL |     let _ = &(size_of::<u128>() * 8);
   |              ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(u128::BITS as usize)`

error: aborting due to 29 previous errors