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#![allow(unused)]
#![warn(clippy::as_ptr_cast_mut)]
#![allow(clippy::wrong_self_convention)]
struct MutPtrWrapper(Vec<u8>);
impl MutPtrWrapper {
fn as_ptr(&mut self) -> *const u8 {
self.0.as_mut_ptr() as *const u8
}
}
struct Covariant<T>(*const T);
impl<T> Covariant<T> {
fn as_ptr(self) -> *const T {
self.0
}
}
fn main() {
let mut string = String::new();
let _ = string.as_ptr() as *mut u8;
let _: *mut i8 = string.as_ptr() as *mut _;
let _ = string.as_ptr() as *const i8;
let _ = string.as_mut_ptr();
let _ = string.as_mut_ptr() as *mut u8;
let _ = string.as_mut_ptr() as *const u8;
let nn = std::ptr::NonNull::new(4 as *mut u8).unwrap();
let _ = nn.as_ptr() as *mut u8;
let mut wrap = MutPtrWrapper(Vec::new());
let _ = wrap.as_ptr() as *mut u8;
let mut local = 4;
let ref_with_write_perm = Covariant(std::ptr::addr_of_mut!(local) as *const _);
let _ = ref_with_write_perm.as_ptr() as *mut u8;
}
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