Promotion and const interning comments #75517
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
(rust_highfive has picked a reviewer for you, use r? to override) |
rust-highfive
added
the
S-waiting-on-review
oli-obk
reviewed
Aug 14, 2020
| // However, this is also currently crucial because we promote mutable | ||
| // non-empty slices in statics to extend their lifetime, and this | ||
| // ensures that they are put into a mutable allocation. | ||
| // For other kinds of promoteds in statics (like array initializers), this is rather silly. |
There was a problem hiding this comment.
Now you had me worried if I can put mutable references in array initializers, but no:
#![feature(const_in_array_repeat_expressions)]
static mut FOO: [&mut i32; 3] = [&mut 42; 3];fails to compile
|
📌 Commit d0d9048 has been approved by |
bors
added
S-waiting-on-bors
bors
added a commit
to rust-lang-ci/rust
that referenced
this pull request
Aug 14, 2020
Rollup of 17 pull requests Successful merges: - rust-lang#73943 (Document the unsafe keyword) - rust-lang#74062 (deny(unsafe_op_in_unsafe_fn) in libstd/ffi/c_str.rs) - rust-lang#74185 (Remove liballoc unneeded explicit link) - rust-lang#74192 (Improve documentation on process::Child.std* fields) - rust-lang#74409 (Change Debug impl of SocketAddr and IpAddr to match their Display output) - rust-lang#75195 (BTreeMap: purge innocent use of into_kv_mut) - rust-lang#75214 (Use intra-doc links in `mem::manually_drop` & `mem::maybe_uninit`) - rust-lang#75432 (Switch to intra-doc links in `std::process`) - rust-lang#75482 (Clean up E0752 explanation) - rust-lang#75501 (Move to intra doc links in std::ffi) - rust-lang#75509 (Tweak suggestion for `this` -> `self`) - rust-lang#75511 (Do not emit E0228 when it is implied by E0106) - rust-lang#75515 (Bump std's libc version to 0.2.74) - rust-lang#75517 (Promotion and const interning comments) - rust-lang#75519 (BTreeMap: refactor splitpoint and move testing over to unit test) - rust-lang#75530 (Switch to intra-doc links in os/raw/*.md) - rust-lang#75531 (Migrate unit tests of btree collections to their native breeding ground) Failed merges: r? @ghost
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
I understood some things today which I felt should be put into comments.
Cc @rust-lang/wg-const-eval