| error: the type `&T` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:50:32 |
| | |
| LL | let _val: &'static T = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: references must be non-null |
| note: the lint level is defined here |
| --> $DIR/invalid_value.rs:4:9 |
| | |
| LL | #![deny(invalid_value)] |
| | ^^^^^^^^^^^^^ |
| |
| error: the type `&T` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:51:32 |
| | |
| LL | let _val: &'static T = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: references must be non-null |
| |
| error: the type `Wrap<&T>` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:53:38 |
| | |
| LL | let _val: Wrap<&'static T> = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `Wrap<&T>` must be non-null |
| note: because references must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:17:18 |
| | |
| LL | struct Wrap<T> { wrapped: T } |
| | ^^^^^^^^^^ |
| |
| error: the type `Wrap<&T>` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:54:38 |
| | |
| LL | let _val: Wrap<&'static T> = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `Wrap<&T>` must be non-null |
| note: because references must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:17:18 |
| | |
| LL | struct Wrap<T> { wrapped: T } |
| | ^^^^^^^^^^ |
| |
| error: the type `!` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:61:23 |
| | |
| LL | let _val: ! = mem::zeroed(); |
| | ^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: the `!` type has no valid value |
| |
| error: the type `!` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:62:23 |
| | |
| LL | let _val: ! = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: the `!` type has no valid value |
| |
| error: the type `(i32, !)` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:64:30 |
| | |
| LL | let _val: (i32, !) = mem::zeroed(); |
| | ^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: the `!` type has no valid value |
| |
| error: the type `(i32, !)` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:65:30 |
| | |
| LL | let _val: (i32, !) = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: integers must be initialized |
| |
| error: the type `Void` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:67:26 |
| | |
| LL | let _val: Void = mem::zeroed(); |
| | ^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| note: enums with no inhabited variants have no valid value |
| --> $DIR/invalid_value.rs:12:1 |
| | |
| LL | enum Void {} |
| | ^^^^^^^^^ |
| |
| error: the type `Void` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:68:26 |
| | |
| LL | let _val: Void = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| note: enums with no inhabited variants have no valid value |
| --> $DIR/invalid_value.rs:12:1 |
| | |
| LL | enum Void {} |
| | ^^^^^^^^^ |
| |
| error: the type `&i32` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:70:34 |
| | |
| LL | let _val: &'static i32 = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: references must be non-null |
| |
| error: the type `&i32` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:71:34 |
| | |
| LL | let _val: &'static i32 = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: references must be non-null |
| |
| error: the type `Ref` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:73:25 |
| | |
| LL | let _val: Ref = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `Ref` must be non-null |
| note: because references must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:14:12 |
| | |
| LL | struct Ref(&'static i32); |
| | ^^^^^^^^^^^^ |
| |
| error: the type `Ref` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:74:25 |
| | |
| LL | let _val: Ref = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `Ref` must be non-null |
| note: because references must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:14:12 |
| | |
| LL | struct Ref(&'static i32); |
| | ^^^^^^^^^^^^ |
| |
| error: the type `fn()` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:76:26 |
| | |
| LL | let _val: fn() = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: function pointers must be non-null |
| |
| error: the type `fn()` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:77:26 |
| | |
| LL | let _val: fn() = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: function pointers must be non-null |
| |
| error: the type `Wrap<fn()>` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:79:32 |
| | |
| LL | let _val: Wrap<fn()> = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `Wrap<fn()>` must be non-null |
| note: because function pointers must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:17:18 |
| | |
| LL | struct Wrap<T> { wrapped: T } |
| | ^^^^^^^^^^ |
| |
| error: the type `Wrap<fn()>` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:80:32 |
| | |
| LL | let _val: Wrap<fn()> = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `Wrap<fn()>` must be non-null |
| note: because function pointers must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:17:18 |
| | |
| LL | struct Wrap<T> { wrapped: T } |
| | ^^^^^^^^^^ |
| |
| error: the type `WrapEnum<fn()>` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:82:36 |
| | |
| LL | let _val: WrapEnum<fn()> = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `WrapEnum<fn()>` must be non-null |
| note: because function pointers must be non-null (in this field of the only potentially inhabited enum variant) |
| --> $DIR/invalid_value.rs:18:28 |
| | |
| LL | enum WrapEnum<T> { Wrapped(T) } |
| | ^ |
| |
| error: the type `WrapEnum<fn()>` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:83:36 |
| | |
| LL | let _val: WrapEnum<fn()> = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `WrapEnum<fn()>` must be non-null |
| note: because function pointers must be non-null (in this field of the only potentially inhabited enum variant) |
| --> $DIR/invalid_value.rs:18:28 |
| | |
| LL | enum WrapEnum<T> { Wrapped(T) } |
| | ^ |
| |
| error: the type `Wrap<(RefPair, i32)>` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:85:42 |
| | |
| LL | let _val: Wrap<(RefPair, i32)> = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| note: `RefPair` must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:17:18 |
| | |
| LL | struct Wrap<T> { wrapped: T } |
| | ^^^^^^^^^^ |
| note: because references must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:15:16 |
| | |
| LL | struct RefPair((&'static i32, i32)); |
| | ^^^^^^^^^^^^^^^^^^^ |
| |
| error: the type `Wrap<(RefPair, i32)>` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:86:42 |
| | |
| LL | let _val: Wrap<(RefPair, i32)> = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| note: `RefPair` must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:17:18 |
| | |
| LL | struct Wrap<T> { wrapped: T } |
| | ^^^^^^^^^^ |
| note: because references must be non-null (in this struct field) |
| --> $DIR/invalid_value.rs:15:16 |
| | |
| LL | struct RefPair((&'static i32, i32)); |
| | ^^^^^^^^^^^^^^^^^^^ |
| |
| error: the type `NonNull<i32>` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:88:34 |
| | |
| LL | let _val: NonNull<i32> = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `std::ptr::NonNull<i32>` must be non-null |
| |
| error: the type `NonNull<i32>` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:89:34 |
| | |
| LL | let _val: NonNull<i32> = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `std::ptr::NonNull<i32>` must be non-null |
| |
| error: the type `(NonZero<u32>, i32)` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:91:41 |
| | |
| LL | let _val: (NonZero<u32>, i32) = mem::zeroed(); |
| | ^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: `std::num::NonZero<u32>` must be non-null |
| = note: because `core::num::niche_types::NonZeroU32Inner` must be non-null |
| |
| error: the type `(NonZero<u32>, i32)` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:92:41 |
| | |
| LL | let _val: (NonZero<u32>, i32) = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: `std::num::NonZero<u32>` must be non-null |
| = note: because `core::num::niche_types::NonZeroU32Inner` must be non-null |
| |
| error: the type `*const dyn Send` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:94:37 |
| | |
| LL | let _val: *const dyn Send = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: the vtable of a wide raw pointer must be non-null |
| |
| error: the type `*const dyn Send` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:95:37 |
| | |
| LL | let _val: *const dyn Send = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: the vtable of a wide raw pointer must be non-null |
| |
| error: the type `[fn(); 2]` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:97:31 |
| | |
| LL | let _val: [fn(); 2] = mem::zeroed(); |
| | ^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: function pointers must be non-null |
| |
| error: the type `[fn(); 2]` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:98:31 |
| | |
| LL | let _val: [fn(); 2] = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: function pointers must be non-null |
| |
| error: the type `TwoUninhabited` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:100:36 |
| | |
| LL | let _val: TwoUninhabited = mem::zeroed(); |
| | ^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| note: enums with no inhabited variants have no valid value |
| --> $DIR/invalid_value.rs:40:1 |
| | |
| LL | enum TwoUninhabited { |
| | ^^^^^^^^^^^^^^^^^^^ |
| |
| error: the type `TwoUninhabited` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:101:36 |
| | |
| LL | let _val: TwoUninhabited = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| note: enums with no inhabited variants have no valid value |
| --> $DIR/invalid_value.rs:40:1 |
| | |
| LL | enum TwoUninhabited { |
| | ^^^^^^^^^^^^^^^^^^^ |
| |
| error: the type `OneFruitNonZero` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:103:37 |
| | |
| LL | let _val: OneFruitNonZero = mem::zeroed(); |
| | ^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: `OneFruitNonZero` must be non-null |
| note: because `std::num::NonZero<u32>` must be non-null (in this field of the only potentially inhabited enum variant) |
| --> $DIR/invalid_value.rs:37:12 |
| | |
| LL | Banana(NonZero<u32>), |
| | ^^^^^^^^^^^^ |
| = note: because `core::num::niche_types::NonZeroU32Inner` must be non-null |
| |
| error: the type `OneFruitNonZero` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:104:37 |
| | |
| LL | let _val: OneFruitNonZero = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: `OneFruitNonZero` must be non-null |
| note: because `std::num::NonZero<u32>` must be non-null (in this field of the only potentially inhabited enum variant) |
| --> $DIR/invalid_value.rs:37:12 |
| | |
| LL | Banana(NonZero<u32>), |
| | ^^^^^^^^^^^^ |
| = note: because `core::num::niche_types::NonZeroU32Inner` must be non-null |
| |
| error: the type `bool` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:108:26 |
| | |
| LL | let _val: bool = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: booleans must be either `true` or `false` |
| |
| error: the type `Wrap<char>` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:111:32 |
| | |
| LL | let _val: Wrap<char> = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `Wrap<char>` must be initialized inside its custom valid range |
| note: characters must be a valid Unicode codepoint (in this struct field) |
| --> $DIR/invalid_value.rs:17:18 |
| | |
| LL | struct Wrap<T> { wrapped: T } |
| | ^^^^^^^^^^ |
| |
| error: the type `NonBig` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:114:28 |
| | |
| LL | let _val: NonBig = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `NonBig` must be initialized inside its custom valid range |
| |
| error: the type `Fruit` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:117:27 |
| | |
| LL | let _val: Fruit = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| note: enums with multiple inhabited variants have to be initialized to a variant |
| --> $DIR/invalid_value.rs:24:1 |
| | |
| LL | enum Fruit { |
| | ^^^^^^^^^^ |
| |
| error: the type `[bool; 2]` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:120:31 |
| | |
| LL | let _val: [bool; 2] = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: booleans must be either `true` or `false` |
| |
| error: the type `i32` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:123:25 |
| | |
| LL | let _val: i32 = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: integers must be initialized |
| |
| error: the type `f32` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:126:25 |
| | |
| LL | let _val: f32 = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: floats must be initialized |
| |
| error: the type `*const ()` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:129:31 |
| | |
| LL | let _val: *const () = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: raw pointers must be initialized |
| |
| error: the type `*const [()]` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:132:33 |
| | |
| LL | let _val: *const [()] = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: raw pointers must be initialized |
| |
| error: the type `WrapAroundRange` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:135:37 |
| | |
| LL | let _val: WrapAroundRange = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `WrapAroundRange` must be initialized inside its custom valid range |
| |
| error: the type `Result<i32, i32>` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:140:38 |
| | |
| LL | let _val: Result<i32, i32> = mem::uninitialized(); |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| note: enums with multiple inhabited variants have to be initialized to a variant |
| --> $SRC_DIR/core/src/result.rs:LL:COL |
| |
| error: the type `&i32` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:148:34 |
| | |
| LL | let _val: &'static i32 = mem::transmute(0usize); |
| | ^^^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: references must be non-null |
| |
| error: the type `&[i32]` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:149:36 |
| | |
| LL | let _val: &'static [i32] = mem::transmute((0usize, 0usize)); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: references must be non-null |
| |
| error: the type `NonZero<u32>` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:150:34 |
| | |
| LL | let _val: NonZero<u32> = mem::transmute(0); |
| | ^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed |
| | |
| = note: `std::num::NonZero<u32>` must be non-null |
| = note: because `core::num::niche_types::NonZeroU32Inner` must be non-null |
| |
| error: the type `NonNull<i32>` does not permit zero-initialization |
| --> $DIR/invalid_value.rs:153:34 |
| | |
| LL | let _val: NonNull<i32> = MaybeUninit::zeroed().assume_init(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `std::ptr::NonNull<i32>` must be non-null |
| |
| error: the type `NonNull<i32>` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:154:34 |
| | |
| LL | let _val: NonNull<i32> = MaybeUninit::uninit().assume_init(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: `std::ptr::NonNull<i32>` must be non-null |
| |
| error: the type `bool` does not permit being left uninitialized |
| --> $DIR/invalid_value.rs:155:26 |
| | |
| LL | let _val: bool = MaybeUninit::uninit().assume_init(); |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | | |
| | this code causes undefined behavior when executed |
| | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done |
| | |
| = note: booleans must be either `true` or `false` |
| |
| error: aborting due to 51 previous errors |
| |
