rust-clippy/tests/ui/bit_masks.stderr

error: &-masking with zero
  --> tests/ui/bit_masks.rs:14:5
   |
LL |     x & 0 == 0;
   |     ^^^^^^^^^^
   |
   = note: `-D clippy::bad-bit-mask` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::bad_bit_mask)]`

error: this operation will always return zero. This is likely not the intended outcome
  --> tests/ui/bit_masks.rs:14:5
   |
LL |     x & 0 == 0;
   |     ^^^^^
   |
   = note: `#[deny(clippy::erasing_op)]` on by default

error: incompatible bit mask: `_ & 2` can never be equal to `1`
  --> tests/ui/bit_masks.rs:21:5
   |
LL |     x & 2 == 1;
   |     ^^^^^^^^^^

error: incompatible bit mask: `_ | 3` can never be equal to `2`
  --> tests/ui/bit_masks.rs:26:5
   |
LL |     x | 3 == 2;
   |     ^^^^^^^^^^

error: incompatible bit mask: `_ & 1` will never be higher than `1`
  --> tests/ui/bit_masks.rs:29:5
   |
LL |     x & 1 > 1;
   |     ^^^^^^^^^

error: incompatible bit mask: `_ | 2` will always be higher than `1`
  --> tests/ui/bit_masks.rs:34:5
   |
LL |     x | 2 > 1;
   |     ^^^^^^^^^

error: incompatible bit mask: `_ & 7` can never be equal to `8`
  --> tests/ui/bit_masks.rs:42:5
   |
LL |     x & THREE_BITS == 8;
   |     ^^^^^^^^^^^^^^^^^^^

error: incompatible bit mask: `_ | 7` will never be lower than `7`
  --> tests/ui/bit_masks.rs:44:5
   |
LL |     x | EVEN_MORE_REDIRECTION < 7;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: &-masking with zero
  --> tests/ui/bit_masks.rs:47:5
   |
LL |     0 & x == 0;
   |     ^^^^^^^^^^

error: this operation will always return zero. This is likely not the intended outcome
  --> tests/ui/bit_masks.rs:47:5
   |
LL |     0 & x == 0;
   |     ^^^^^

error: incompatible bit mask: `_ | 2` will always be higher than `1`
  --> tests/ui/bit_masks.rs:53:5
   |
LL |     1 < 2 | x;
   |     ^^^^^^^^^

error: incompatible bit mask: `_ | 3` can never be equal to `2`
  --> tests/ui/bit_masks.rs:55:5
   |
LL |     2 == 3 | x;
   |     ^^^^^^^^^^

error: incompatible bit mask: `_ & 2` can never be equal to `1`
  --> tests/ui/bit_masks.rs:57:5
   |
LL |     1 == x & 2;
   |     ^^^^^^^^^^

error: ineffective bit mask: `x | 1` compared to `3`, is the same as x compared directly
  --> tests/ui/bit_masks.rs:69:5
   |
LL |     x | 1 > 3;
   |     ^^^^^^^^^
   |
   = note: `-D clippy::ineffective-bit-mask` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::ineffective_bit_mask)]`

error: ineffective bit mask: `x | 1` compared to `4`, is the same as x compared directly
  --> tests/ui/bit_masks.rs:72:5
   |
LL |     x | 1 < 4;
   |     ^^^^^^^^^

error: ineffective bit mask: `x | 1` compared to `3`, is the same as x compared directly
  --> tests/ui/bit_masks.rs:74:5
   |
LL |     x | 1 <= 3;
   |     ^^^^^^^^^^

error: ineffective bit mask: `x | 1` compared to `8`, is the same as x compared directly
  --> tests/ui/bit_masks.rs:76:5
   |
LL |     x | 1 >= 8;
   |     ^^^^^^^^^^

error: aborting due to 17 previous errors