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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:32 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:32 +0000 |
| commit | 4547b622d8d29df964fa2914213088b148c498fc (patch) | |
| tree | 9fc6b25f3c3add6b745be9a2400a6e96140046e9 /library/std/src/primitive_docs.rs | |
| parent | Releasing progress-linux version 1.66.0+dfsg1-1~progress7.99u1. (diff) | |
| download | rustc-4547b622d8d29df964fa2914213088b148c498fc.tar.xz rustc-4547b622d8d29df964fa2914213088b148c498fc.zip | |
Merging upstream version 1.67.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/std/src/primitive_docs.rs')
| -rw-r--r-- | library/std/src/primitive_docs.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/library/std/src/primitive_docs.rs b/library/std/src/primitive_docs.rs index 331714a99..d6e9da187 100644 --- a/library/std/src/primitive_docs.rs +++ b/library/std/src/primitive_docs.rs @@ -1493,11 +1493,13 @@ mod prim_ref {} /// However, a direct cast back is not possible. You need to use `transmute`: /// /// ```rust +/// # #[cfg(not(miri))] { // FIXME: use strict provenance APIs once they are stable, then remove this `cfg` /// # let fnptr: fn(i32) -> i32 = |x| x+2; /// # let fnptr_addr = fnptr as usize; /// let fnptr = fnptr_addr as *const (); /// let fnptr: fn(i32) -> i32 = unsafe { std::mem::transmute(fnptr) }; /// assert_eq!(fnptr(40), 42); +/// # } /// ``` /// /// Crucially, we `as`-cast to a raw pointer before `transmute`ing to a function pointer. |