error: the operation is ineffective. Consider reducing it to `x` --> $DIR/identity_op.rs:25:5 | LL | x + 0; | ^^^^^ | = note: `-D clippy::identity-op` implied by `-D warnings` error: the operation is ineffective. Consider reducing it to `x` --> $DIR/identity_op.rs:26:5 | LL | x + (1 - 1); | ^^^^^^^^^^^ error: the operation is ineffective. Consider reducing it to `x` --> $DIR/identity_op.rs:28:5 | LL | 0 + x; | ^^^^^ error: the operation is ineffective. Consider reducing it to `x` --> $DIR/identity_op.rs:31:5 | LL | x | (0); | ^^^^^^^ error: the operation is ineffective. Consider reducing it to `x` --> $DIR/identity_op.rs:34:5 | LL | x * 1; | ^^^^^ error: the operation is ineffective. Consider reducing it to `x` --> $DIR/identity_op.rs:35:5 | LL | 1 * x; | ^^^^^ error: the operation is ineffective. Consider reducing it to `x` --> $DIR/identity_op.rs:41:5 | LL | -1 & x; | ^^^^^^ error: the operation is ineffective. Consider reducing it to `u` --> $DIR/identity_op.rs:44:5 | LL | u & 255; | ^^^^^^^ error: aborting due to 8 previous errors