File: min_const_fn_unsafe_ok.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (52 lines) | stat: -rw-r--r-- 1,747 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
//@ check-pass

const unsafe fn ret_i32_no_unsafe() -> i32 { 42 }
const unsafe fn ret_null_ptr_no_unsafe<T>() -> *const T { std::ptr::null() }
const unsafe fn ret_null_mut_ptr_no_unsafe<T>() -> *mut T { std::ptr::null_mut() }
const fn no_unsafe() { unsafe {} }

const fn call_unsafe_const_fn() -> i32 {
    unsafe { ret_i32_no_unsafe() }
}
const fn call_unsafe_generic_const_fn() -> *const String {
    unsafe { ret_null_ptr_no_unsafe::<String>() }
}
const fn call_unsafe_generic_cell_const_fn()
    -> *const Vec<std::cell::Cell<u32>>
{
    unsafe { ret_null_mut_ptr_no_unsafe::<Vec<std::cell::Cell<u32>>>() }
}

const unsafe fn call_unsafe_const_unsafe_fn() -> i32 {
    unsafe { ret_i32_no_unsafe() }
}
const unsafe fn call_unsafe_generic_const_unsafe_fn() -> *const String {
    unsafe { ret_null_ptr_no_unsafe::<String>() }
}
const unsafe fn call_unsafe_generic_cell_const_unsafe_fn()
    -> *const Vec<std::cell::Cell<u32>>
{
    unsafe { ret_null_mut_ptr_no_unsafe::<Vec<std::cell::Cell<u32>>>() }
}

const unsafe fn call_unsafe_const_unsafe_fn_immediate() -> i32 {
    ret_i32_no_unsafe()
}
const unsafe fn call_unsafe_generic_const_unsafe_fn_immediate() -> *const String {
    ret_null_ptr_no_unsafe::<String>()
}
const unsafe fn call_unsafe_generic_cell_const_unsafe_fn_immediate()
    -> *const Vec<std::cell::Cell<u32>>
{
    ret_null_mut_ptr_no_unsafe::<Vec<std::cell::Cell<u32>>>()
}

const fn bad_const_fn_deref_raw(x: *mut usize) -> &'static usize { unsafe { &*x } }

const unsafe fn bad_const_unsafe_deref_raw(x: *mut usize) -> usize { *x }

const unsafe fn bad_const_unsafe_deref_raw_ref(x: *mut usize) -> &'static usize { &*x }

const unsafe fn bad_const_unsafe_deref_raw_underscore(x: *mut usize) { let _ = *x; }

fn main() {}