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Diffstat (limited to '')
| -rw-r--r-- | src/test/ui/cast/fat-ptr-cast.stderr | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/test/ui/cast/fat-ptr-cast.stderr b/src/test/ui/cast/fat-ptr-cast.stderr new file mode 100644 index 000000000..18e7b68ff --- /dev/null +++ b/src/test/ui/cast/fat-ptr-cast.stderr @@ -0,0 +1,88 @@ +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`. |