mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-24 05:33:27 +00:00
317 lines
9.4 KiB
Text
317 lines
9.4 KiB
Text
error: this operation has no effect
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--> tests/ui/identity_op.rs:44:5
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LL | x + 0;
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| ^^^^^ help: consider reducing it to: `x`
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= note: `-D clippy::identity-op` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::identity_op)]`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:46:5
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LL | x + (1 - 1);
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| ^^^^^^^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:49:5
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LL | 0 + x;
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| ^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:53:5
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LL | x | (0);
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| ^^^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:57:5
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LL | x * 1;
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| ^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:59:5
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LL | 1 * x;
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| ^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:66:5
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LL | -1 & x;
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| ^^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:70:5
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LL | u & 255;
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| ^^^^^^^ help: consider reducing it to: `u`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:74:5
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LL | 42 << 0;
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| ^^^^^^^ help: consider reducing it to: `42`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:76:5
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LL | 1 >> 0;
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| ^^^^^^ help: consider reducing it to: `1`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:78:5
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LL | 42 >> 0;
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| ^^^^^^^ help: consider reducing it to: `42`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:80:5
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LL | &x >> 0;
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| ^^^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:82:5
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LL | x >> &0;
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| ^^^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:90:5
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LL | 2 % 3;
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| ^^^^^ help: consider reducing it to: `2`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:92:5
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LL | -2 % 3;
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| ^^^^^^ help: consider reducing it to: `-2`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:94:5
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LL | 2 % -3 + x;
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| ^^^^^^ help: consider reducing it to: `2`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:96:5
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LL | -2 % -3 + x;
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| ^^^^^^^ help: consider reducing it to: `-2`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:98:9
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LL | x + 1 % 3;
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| ^^^^^ help: consider reducing it to: `1`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:107:5
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LL | 0 + if b { 1 } else { 2 };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if b { 1 } else { 2 })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:109:5
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LL | 0 + if b { 1 } else { 2 } + if b { 3 } else { 4 };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if b { 1 } else { 2 })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:111:5
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LL | 0 + match a { 0 => 10, _ => 20 };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(match a { 0 => 10, _ => 20 })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:113:5
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LL | 0 + match a { 0 => 10, _ => 20 } + match a { 0 => 30, _ => 40 };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(match a { 0 => 10, _ => 20 })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:115:5
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LL | 0 + if b { 1 } else { 2 } + match a { 0 => 30, _ => 40 };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if b { 1 } else { 2 })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:117:5
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LL | 0 + match a { 0 => 10, _ => 20 } + if b { 3 } else { 4 };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(match a { 0 => 10, _ => 20 })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:119:5
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LL | (if b { 1 } else { 2 }) + 0;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if b { 1 } else { 2 })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:122:5
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LL | 0 + { a } + 3;
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| ^^^^^^^^^ help: consider reducing it to: `({ a })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:124:5
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LL | 0 + { a } * 2;
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| ^^^^^^^^^^^^^ help: consider reducing it to: `({ a } * 2)`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:126:5
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LL | 0 + loop { let mut c = 0; if c == 10 { break c; } c += 1; } + { a * 2 };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(loop { let mut c = 0; if c == 10 { break c; } c += 1; })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:133:7
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LL | f(1 * a + { 8 * 5 });
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| ^^^^^ help: consider reducing it to: `a`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:135:7
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LL | f(0 + if b { 1 } else { 2 } + 3);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `if b { 1 } else { 2 }`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:138:20
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LL | const _: i32 = { 2 * 4 } + 0 + 3;
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| ^^^^^^^^^^^^^ help: consider reducing it to: `{ 2 * 4 }`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:140:20
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LL | const _: i32 = 0 + { 1 + 2 * 3 } + 3;
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| ^^^^^^^^^^^^^^^^^ help: consider reducing it to: `{ 1 + 2 * 3 }`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:143:5
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LL | 0 + a as usize;
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| ^^^^^^^^^^^^^^ help: consider reducing it to: `a as usize`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:145:13
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LL | let _ = 0 + a as usize;
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| ^^^^^^^^^^^^^^ help: consider reducing it to: `a as usize`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:147:5
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LL | 0 + { a } as usize;
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| ^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `({ a } as usize)`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:150:9
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LL | 2 * (0 + { a });
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| ^^^^^^^^^^^ help: consider reducing it to: `{ a }`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:152:5
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LL | 1 * ({ a } + 4);
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| ^^^^^^^^^^^^^^^ help: consider reducing it to: `(({ a } + 4))`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:154:5
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LL | 1 * 1;
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| ^^^^^ help: consider reducing it to: `1`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:159:18
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LL | let _: i32 = &x + 0;
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| ^^^^^^ help: consider reducing it to: `x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:164:5
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LL | 0 + if a { 1 } else { 2 } + if b { 3 } else { 5 }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider reducing it to: `(if a { 1 } else { 2 })`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:175:22
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LL | let _: i32 = *x + 0;
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| ^^^^^^ help: consider reducing it to: `*x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:177:22
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LL | let _: i32 = x + 0;
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| ^^^^^ help: consider reducing it to: `*x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:182:22
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LL | let _: i32 = **x + 0;
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| ^^^^^^^ help: consider reducing it to: `**x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:185:22
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LL | let _: i32 = *x + 0;
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| ^^^^^^ help: consider reducing it to: `**x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:191:22
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LL | let _: i32 = ***x + 0;
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| ^^^^^^^^ help: consider reducing it to: `***x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:193:22
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LL | let _: i32 = **x + 0;
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| ^^^^^^^ help: consider reducing it to: `***x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:196:22
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LL | let _: i32 = *&x + 0;
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| ^^^^^^^ help: consider reducing it to: `*&x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:198:22
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LL | let _: i32 = **&&x + 0;
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| ^^^^^^^^^ help: consider reducing it to: `**&&x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:200:22
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LL | let _: i32 = *&*&x + 0;
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| ^^^^^^^^^ help: consider reducing it to: `*&*&x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:202:22
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LL | let _: i32 = **&&*&x + 0;
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| ^^^^^^^^^^^ help: consider reducing it to: `**&&*&x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:209:22
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LL | let _: i32 = **&&*&x + 0;
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| ^^^^^^^^^^^ help: consider reducing it to: `***&&*&x`
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error: this operation has no effect
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--> tests/ui/identity_op.rs:211:22
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LL | let _: i32 = **&&*&x + 0;
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| ^^^^^^^^^^^ help: consider reducing it to: `***&&*&x`
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error: aborting due to 52 previous errors
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