error: this transmute is always evaluated eagerly, even if the condition is false --> $DIR/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 --> $DIR/eager_transmute.rs:27:33 | 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 --> $DIR/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 --> $DIR/eager_transmute.rs:29:34 | LL | (op == 0).then_some(unsafe { std::mem::transmute::<_, Opcode>(op) }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | LL | (op == 0).then(|| unsafe { std::mem::transmute::<_, Opcode>(op) }); | ~~~~ ++ error: this transmute is always evaluated eagerly, even if the condition is false --> $DIR/eager_transmute.rs:31:68 | LL | let _: Option = (op > 0 && op < 10).then_some(unsafe { std::mem::transmute(op) }); | ^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | LL | let _: Option = (op > 0 && op < 10).then(|| unsafe { std::mem::transmute(op) }); | ~~~~ ++ error: this transmute is always evaluated eagerly, even if the condition is false --> $DIR/eager_transmute.rs:32:86 | LL | let _: Option = (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 | LL | let _: Option = (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 --> $DIR/eager_transmute.rs:35:84 | LL | let _: Option = (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 | LL | let _: Option = (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 --> $DIR/eager_transmute.rs:48:24 | LL | (op < 4).then_some(std::mem::transmute::<_, Opcode>(op)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | LL | (op < 4).then(|| std::mem::transmute::<_, Opcode>(op)); | ~~~~ ++ error: this transmute is always evaluated eagerly, even if the condition is false --> $DIR/eager_transmute.rs:77:60 | LL | let _: Option = (v1 > 0).then_some(unsafe { std::mem::transmute(v1) }); | ^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | LL | let _: Option = (v1 > 0).then(|| unsafe { std::mem::transmute(v1) }); | ~~~~ ++ error: this transmute is always evaluated eagerly, even if the condition is false --> $DIR/eager_transmute.rs:83:86 | LL | let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); | ^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | LL | let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); | ~~~~ ++ error: this transmute is always evaluated eagerly, even if the condition is false --> $DIR/eager_transmute.rs:89:93 | LL | let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then_some(unsafe { std::mem::transmute(v2) }); | ^^^^^^^^^^^^^^^^^^^^^^^ | help: consider using `bool::then` to only transmute if the condition holds | LL | let _: Option = (v2 < NonZeroU8::new(255).unwrap()).then(|| unsafe { std::mem::transmute(v2) }); | ~~~~ ++ error: aborting due to 11 previous errors