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#![warn(clippy::ptr_eq)]
macro_rules! mac {
($a:expr, $b:expr) => {
$a as *const _ as usize == $b as *const _ as usize
};
(cast $a:expr) => {
$a as *const [i32; 3]
};
}
macro_rules! another_mac {
($a:expr, $b:expr) => {
$a as *const _ == $b as *const _
};
}
fn main() {
let a = &[1, 2, 3];
let b = &[1, 2, 3];
let _ = std::ptr::eq(a, b);
//~^ ptr_eq
let _ = std::ptr::eq(a, b);
//~^ ptr_eq
// Do not lint: the rhs conversion is needed
let _ = a.as_ptr() == b as *const _;
// Do not lint: we have two raw pointers already
let _ = a.as_ptr() == b.as_ptr();
// Do not lint
let _ = mac!(a, b);
let _ = another_mac!(a, b);
let a = &mut [1, 2, 3];
let b = &mut [1, 2, 3];
// Do not lint: the rhs conversion is needed
let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _;
// Do not lint: we have two raw pointers already
let _ = a.as_mut_ptr() == b.as_mut_ptr();
let _ = a == b;
let _ = core::ptr::eq(a, b);
let (x, y) = (&0u32, &mut 1u32);
let _ = std::ptr::eq(x, y);
//~^ ptr_eq
let _ = !std::ptr::eq(x, y);
//~^ ptr_eq
#[expect(clippy::eq_op)]
// Do not lint: casts are needed to not change type
let _issue14337 = main as *const () == main as *const ();
// Do not peel the content of macros
let _ = std::ptr::eq(mac!(cast a), mac!(cast b));
//~^ ptr_eq
}
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