pub const fn null_mut<T>() -> *mut T
Expand description
Creates a null mutable raw pointer.
This function is equivalent to zero-initializing the pointer:
MaybeUninit::<*mut T>::zeroed().assume_init()
.
The resulting pointer has the address 0.
§Examples
use std::ptr;
let p: *mut i32 = ptr::null_mut();
assert!(p.is_null());
assert_eq!(p as usize, 0); // this pointer has the address 0
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