error: `0 as *const _` detected --> $DIR/zero_ptr.rs:4:13 | LL | let _ = 0 as *const usize; | ^^^^^^^^^^^^^^^^^ help: try: `std::ptr::null::()` | = note: `-D clippy::zero-ptr` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::zero_ptr)]` error: `0 as *mut _` detected --> $DIR/zero_ptr.rs:5:13 | LL | let _ = 0 as *mut f64; | ^^^^^^^^^^^^^ help: try: `std::ptr::null_mut::()` error: `0 as *const _` detected --> $DIR/zero_ptr.rs:6:24 | LL | let _: *const u8 = 0 as *const _; | ^^^^^^^^^^^^^ help: try: `std::ptr::null()` error: `0 as *const _` detected --> $DIR/zero_ptr.rs:9:9 | LL | foo(0 as *const _, 0 as *mut _); | ^^^^^^^^^^^^^ help: try: `std::ptr::null()` error: `0 as *mut _` detected --> $DIR/zero_ptr.rs:9:24 | LL | foo(0 as *const _, 0 as *mut _); | ^^^^^^^^^^^ help: try: `std::ptr::null_mut()` error: aborting due to 5 previous errors