Replace transmute with pointer cast #4
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warning: casting raw pointers to the same type and constness is unnecessary (`*const dyn of::NonStaticAny` -> `*const dyn of::NonStaticAny`)
--> src/lib.rs:219:11
|
219 | &*(&phantom_data as *const dyn NonStaticAny as *const (dyn NonStaticAny + 'static))
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&phantom_data as *const dyn NonStaticAny`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
= note: `#[warn(clippy::unnecessary_cast)]` on by default
dtolnay
changed the title
On older compilers, the pointer cast does not compile due to a rustc bug.
error[E0310]: the parameter type `T` may not live long enough
--> src/lib.rs:223:12
|
223 | &*(&phantom_data as *const dyn NonStaticAny as *const (dyn NonStaticAny + 'static))
| ^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound...
|
203 | T: ?Sized + 'static,
| +++++++++
warning: borrow as raw pointer
--> src/lib.rs:223:12
|
223 | &*(&phantom_data as *const dyn NonStaticAny as *const (dyn NonStaticAny + 'static))
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `core::ptr::addr_of!(phantom_data)`
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrow_as_ptr
= note: `-W clippy::borrow-as-ptr` implied by `-W clippy::pedantic`
= help: to override `-W clippy::pedantic` add `#[allow(clippy::borrow_as_ptr)]`
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This requires Rust 1.75+ which contains rust-lang/rust#113262.