mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-14 17:07:17 +00:00
191 lines
9.4 KiB
Text
191 lines
9.4 KiB
Text
error: this transmute is always evaluated eagerly, even if the condition is false
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--> tests/ui/eager_transmute.rs:21:33
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LL | (op < 4).then_some(unsafe { std::mem::transmute(op) })
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| ^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::eager-transmute` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::eager_transmute)]`
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help: consider using `bool::then` to only transmute if the condition holds
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LL | (op < 4).then(|| unsafe { std::mem::transmute(op) })
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> tests/ui/eager_transmute.rs:27:33
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LL | (op < 4).then_some(unsafe { std::mem::transmute::<_, Opcode>(op) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: consider using `bool::then` to only transmute if the condition holds
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LL | (op < 4).then(|| unsafe { std::mem::transmute::<_, Opcode>(op) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> tests/ui/eager_transmute.rs:28:33
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LL | (op > 4).then_some(unsafe { std::mem::transmute::<_, Opcode>(op) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: consider using `bool::then` to only transmute if the condition holds
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LL | (op > 4).then(|| unsafe { std::mem::transmute::<_, Opcode>(op) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> tests/ui/eager_transmute.rs:29:34
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LL | (op == 0).then_some(unsafe { std::mem::transmute::<_, Opcode>(op) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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]) });
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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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]) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> 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) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> tests/ui/eager_transmute.rs:61:24
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LL | (op < 4).then_some(std::mem::transmute::<_, Opcode>(op));
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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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));
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> tests/ui/eager_transmute.rs:90:60
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LL | let _: Option<NonZeroU8> = (v1 > 0).then_some(unsafe { std::mem::transmute(v1) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<NonZeroU8> = (v1 > 0).then(|| unsafe { std::mem::transmute(v1) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> tests/ui/eager_transmute.rs:96:86
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LL | let _: Option<NonMaxU8> = (v2 < NonZeroU8::new(255).unwrap()).then_some(unsafe { std::mem::transmute(v2) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<NonMaxU8> = (v2 < NonZeroU8::new(255).unwrap()).then(|| unsafe { std::mem::transmute(v2) });
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| ~~~~ ++
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error: this transmute is always evaluated eagerly, even if the condition is false
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--> tests/ui/eager_transmute.rs:102:93
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LL | let _: Option<NonZeroNonMaxU8> = (v2 < NonZeroU8::new(255).unwrap()).then_some(unsafe { std::mem::transmute(v2) });
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| ^^^^^^^^^^^^^^^^^^^^^^^
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help: consider using `bool::then` to only transmute if the condition holds
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LL | let _: Option<NonZeroNonMaxU8> = (v2 < NonZeroU8::new(255).unwrap()).then(|| unsafe { std::mem::transmute(v2) });
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| ~~~~ ++
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error: aborting due to 17 previous errors
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