rust-clippy/tests/ui/eager_transmute.stderr
2024-05-08 21:37:55 +02:00

191 lines
9.4 KiB
Text

error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:21:33
|
LL | (op < 4).then_some(unsafe { std::mem::transmute(op) })
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::eager-transmute` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::eager_transmute)]`
help: consider using `bool::then` to only transmute if the condition holds
|
LL | (op < 4).then(|| unsafe { std::mem::transmute(op) })
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:27:33
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LL | (op < 4).then_some(unsafe { std::mem::transmute::<_, Opcode>(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
|
LL | (op < 4).then(|| unsafe { std::mem::transmute::<_, Opcode>(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:28:33
|
LL | (op > 4).then_some(unsafe { std::mem::transmute::<_, Opcode>(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
|
LL | (op > 4).then(|| unsafe { std::mem::transmute::<_, Opcode>(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:29:34
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LL | (op == 0).then_some(unsafe { std::mem::transmute::<_, Opcode>(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | (op == 0).then(|| unsafe { std::mem::transmute::<_, Opcode>(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:31:68
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LL | let _: Option<Opcode> = (op > 0 && op < 10).then_some(unsafe { std::mem::transmute(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = (op > 0 && op < 10).then(|| unsafe { std::mem::transmute(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:32:86
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LL | let _: Option<Opcode> = (op > 0 && op < 10 && unrelated == 0).then_some(unsafe { std::mem::transmute(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = (op > 0 && op < 10 && unrelated == 0).then(|| unsafe { std::mem::transmute(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:35:84
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LL | let _: Option<Opcode> = (op2.foo[0] > 0 && op2.foo[0] < 10).then_some(unsafe { std::mem::transmute(op2.foo[0]) });
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = (op2.foo[0] > 0 && op2.foo[0] < 10).then(|| unsafe { std::mem::transmute(op2.foo[0]) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:47:70
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LL | let _: Option<Opcode> = (1..=3).contains(&op).then_some(unsafe { std::mem::transmute(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = (1..=3).contains(&op).then(|| unsafe { std::mem::transmute(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:48:83
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LL | let _: Option<Opcode> = ((1..=3).contains(&op) || op == 4).then_some(unsafe { std::mem::transmute(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = ((1..=3).contains(&op) || op == 4).then(|| unsafe { std::mem::transmute(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:49:69
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LL | let _: Option<Opcode> = (1..3).contains(&op).then_some(unsafe { std::mem::transmute(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = (1..3).contains(&op).then(|| unsafe { std::mem::transmute(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:50:68
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LL | let _: Option<Opcode> = (1..).contains(&op).then_some(unsafe { std::mem::transmute(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = (1..).contains(&op).then(|| unsafe { std::mem::transmute(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:51:68
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LL | let _: Option<Opcode> = (..3).contains(&op).then_some(unsafe { std::mem::transmute(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = (..3).contains(&op).then(|| unsafe { std::mem::transmute(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:52:69
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LL | let _: Option<Opcode> = (..=3).contains(&op).then_some(unsafe { std::mem::transmute(op) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<Opcode> = (..=3).contains(&op).then(|| unsafe { std::mem::transmute(op) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:61:24
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LL | (op < 4).then_some(std::mem::transmute::<_, Opcode>(op));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | (op < 4).then(|| std::mem::transmute::<_, Opcode>(op));
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:90:62
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LL | let _: Option<NonZero<u8>> = (v1 > 0).then_some(unsafe { std::mem::transmute(v1) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<NonZero<u8>> = (v1 > 0).then(|| unsafe { std::mem::transmute(v1) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:96:86
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LL | let _: Option<NonMaxU8> = (v2 < NonZero::new(255u8).unwrap()).then_some(unsafe { std::mem::transmute(v2) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<NonMaxU8> = (v2 < NonZero::new(255u8).unwrap()).then(|| unsafe { std::mem::transmute(v2) });
| ~~~~ ++
error: this transmute is always evaluated eagerly, even if the condition is false
--> tests/ui/eager_transmute.rs:102:93
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LL | let _: Option<NonZeroNonMaxU8> = (v2 < NonZero::new(255u8).unwrap()).then_some(unsafe { std::mem::transmute(v2) });
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<NonZeroNonMaxU8> = (v2 < NonZero::new(255u8).unwrap()).then(|| unsafe { std::mem::transmute(v2) });
| ~~~~ ++
error: aborting due to 17 previous errors