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error[E0606]: casting `&[i32]` as `usize` is invalid
--> $DIR/fat-ptr-cast.rs:10:5
|
LL | a as usize;
| ^^^^^^^^^^
|
= help: cast through a raw pointer first
error[E0606]: casting `&[i32]` as `isize` is invalid
--> $DIR/fat-ptr-cast.rs:11:5
|
LL | a as isize;
| ^^^^^^^^^^
|
= help: cast through a raw pointer first
error[E0606]: casting `&[i32]` as `i16` is invalid
--> $DIR/fat-ptr-cast.rs:12:5
|
LL | a as i16;
| ^^^^^^^^
|
= help: cast through a raw pointer first
error[E0606]: casting `&[i32]` as `u32` is invalid
--> $DIR/fat-ptr-cast.rs:13:5
|
LL | a as u32;
| ^^^^^^^^
|
= help: cast through a raw pointer first
error[E0605]: non-primitive cast: `Box<[i32]>` as `usize`
--> $DIR/fat-ptr-cast.rs:14:5
|
LL | b as usize;
| ^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
error[E0606]: casting `*const [i32]` as `usize` is invalid
--> $DIR/fat-ptr-cast.rs:15:5
|
LL | p as usize;
| ^^^^^^^^^^
|
= help: cast through a thin pointer first
error[E0607]: cannot cast thin pointer `*const i32` to fat pointer `*const [i32]`
--> $DIR/fat-ptr-cast.rs:19:5
|
LL | q as *const [i32];
| ^^^^^^^^^^^^^^^^^
error[E0606]: cannot cast `usize` to a pointer that is wide
--> $DIR/fat-ptr-cast.rs:22:46
|
LL | let t: *mut (dyn Trait + 'static) = 0 as *mut _;
| - ^^^^^^ creating a `*mut (dyn Trait + 'static)` requires both an address and a vtable
| |
| consider casting this expression to `*const ()`, then using `core::ptr::from_raw_parts`
error[E0606]: cannot cast `usize` to a pointer that is wide
--> $DIR/fat-ptr-cast.rs:24:37
|
LL | let mut fail: *const str = 0 as *const str;
| - ^^^^^^^^^^ creating a `*const str` requires both an address and a length
| |
| consider casting this expression to `*const ()`, then using `core::ptr::from_raw_parts`
error[E0606]: cannot cast `isize` to a pointer that is wide
--> $DIR/fat-ptr-cast.rs:26:43
|
LL | let mut fail2: *const str = 0isize as *const str;
| ------ ^^^^^^^^^^ creating a `*const str` requires both an address and a length
| |
| consider casting this expression to `*const ()`, then using `core::ptr::from_raw_parts`
error[E0606]: cannot cast `usize` to a pointer that may be wide
--> $DIR/fat-ptr-cast.rs:31:18
|
LL | let s = 0 as *const T;
| - ^^^^^^^^ creating a `*const T` requires both an address and type-specific metadata
| |
| consider casting this expression to `*const ()`, then using `core::ptr::from_raw_parts`
error: aborting due to 11 previous errors
Some errors have detailed explanations: E0605, E0606, E0607.
For more information about an error, try `rustc --explain E0605`.
|
