== Why is this an issue?

Using ``++0 as *const T++`` or ``++0 as *mut T++`` to represent a null pointer is error-prone and less readable. It can lead to confusion and potential bugs, as it is not immediately clear that `0` is intended to represent a null pointer. Additionally, using ``++0++`` for null pointers is not idiomatic Rust, and it can make the code harder to understand and maintain.

== How to fix it

Use ``++std::ptr::null++`` or ``++std::ptr::null_mut++`` to represent null pointers. These functions are explicitly designed for this purpose and make the intent of the code clear.

=== Code examples

==== Noncompliant code example

[source,rust,diff-id=1,diff-type=noncompliant]
----
let ptr = 0 as *const i32;
let mut_ptr = 0 as *mut i32;
----

==== Compliant solution

[source,rust,diff-id=1,diff-type=compliant]
----
let ptr = std::ptr::null::<i32>();
let mut_ptr = std::ptr::null_mut::<i32>();
----

== Resources
=== Documentation

* Clippy Lints - https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr