error: operator precedence can trip the unwary
 --> precedence.rs:8:5
  |
8 |     1 << 2 + 3;
  |     ^^^^^^^^^^ help: consider parenthesizing your expression: `1 << (2 + 3)`
  |
  = note: `-D precedence` implied by `-D warnings`

error: operator precedence can trip the unwary
 --> precedence.rs:9:5
  |
9 |     1 + 2 << 3;
  |     ^^^^^^^^^^ help: consider parenthesizing your expression: `(1 + 2) << 3`

error: operator precedence can trip the unwary
  --> precedence.rs:10:5
   |
10 |     4 >> 1 + 1;
   |     ^^^^^^^^^^ help: consider parenthesizing your expression: `4 >> (1 + 1)`

error: operator precedence can trip the unwary
  --> precedence.rs:11:5
   |
11 |     1 + 3 >> 2;
   |     ^^^^^^^^^^ help: consider parenthesizing your expression: `(1 + 3) >> 2`

error: operator precedence can trip the unwary
  --> precedence.rs:12:5
   |
12 |     1 ^ 1 - 1;
   |     ^^^^^^^^^ help: consider parenthesizing your expression: `1 ^ (1 - 1)`

error: operator precedence can trip the unwary
  --> precedence.rs:13:5
   |
13 |     3 | 2 - 1;
   |     ^^^^^^^^^ help: consider parenthesizing your expression: `3 | (2 - 1)`

error: operator precedence can trip the unwary
  --> precedence.rs:14:5
   |
14 |     3 & 5 - 2;
   |     ^^^^^^^^^ help: consider parenthesizing your expression: `3 & (5 - 2)`

error: unary minus has lower precedence than method call
  --> precedence.rs:15:5
   |
15 |     -1i32.abs();
   |     ^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(1i32.abs())`

error: unary minus has lower precedence than method call
  --> precedence.rs:16:5
   |
16 |     -1f32.abs();
   |     ^^^^^^^^^^^ help: consider adding parentheses to clarify your intent: `-(1f32.abs())`

error: aborting due to 9 previous errors


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