File: null_mut.md

package info (click to toggle)
rust-coreutils 0.7.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 505,620 kB
  • sloc: ansic: 103,594; asm: 28,570; sh: 8,910; python: 5,581; makefile: 472; cpp: 97; javascript: 72
file content (10 lines) | stat: -rw-r--r-- 298 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
 
# Bit-Pointer Sentinel Value

`BitPtr` does not permit actual null pointers. Instead, it uses the canonical
dangling address as a sentinel for uninitialized, useless, locations.

You should use `Option<BitPtr>` if you need to track nullability.

## Original

[`ptr::null_mut`](core::ptr::null_mut)