rust-clippy/tests/ui/ptr_eq_no_std.fixed

50 lines
940 B
Rust
Raw Normal View History

#![warn(clippy::ptr_eq)]
#![no_std]
#![feature(lang_items)]
use core::panic::PanicInfo;
#[lang = "eh_personality"]
extern "C" fn eh_personality() {}
#[panic_handler]
fn panic(info: &PanicInfo) -> ! {
loop {}
}
macro_rules! mac {
($a:expr, $b:expr) => {
$a as *const _ as usize == $b as *const _ as usize
};
}
macro_rules! another_mac {
($a:expr, $b:expr) => {
$a as *const _ == $b as *const _
};
}
fn main() {
let a = &[1, 2, 3];
let b = &[1, 2, 3];
let _ = core::ptr::eq(a, b);
let _ = core::ptr::eq(a, b);
let _ = a.as_ptr() == b as *const _;
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];
let _ = a.as_mut_ptr() == b as *mut [i32] as *mut _;
let _ = a.as_mut_ptr() == b.as_mut_ptr();
let _ = a == b;
let _ = core::ptr::eq(a, b);
}