-
Notifications
You must be signed in to change notification settings - Fork 12.7k
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Document unsafety in core::{option, hash} #71063
Merged
Merged
Conversation
This file contains 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
added
the
S-waiting-on-review
Status: Awaiting review from the assignee but also interested parties.
label
Apr 12, 2020
cc @RalfJung |
joelpalmer
added
S-waiting-on-review
Status: Awaiting review from the assignee but also interested parties.
and removed
S-waiting-on-review
Status: Awaiting review from the assignee but also interested parties.
labels
Apr 21, 2020
Mark-Simulacrum
added
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
and removed
S-waiting-on-review
Status: Awaiting review from the assignee but also interested parties.
labels
Apr 23, 2020
Co-authored-by: Mark-Simulacrum <mark.simulacrum@gmail.com>
Co-Authored-By: Mark-Simulacrum <mark.simulacrum@gmail.com>
@Mark-Simulacrum If you don't have any other remark I think this is ready to be |
Mark-Simulacrum
approved these changes
Apr 23, 2020
@bors r+ rollup I agree! |
📌 Commit a694315 has been approved by |
bors
added
S-waiting-on-bors
Status: Waiting on bors to run and complete tests. Bors will change the label on completion.
and removed
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
labels
Apr 23, 2020
Dylan-DPC-zz
pushed a commit
to Dylan-DPC-zz/rust
that referenced
this pull request
Apr 23, 2020
…Mark-Simulacrum Document unsafety in core::{option, hash} Helps with rust-lang#66219. I think that the part that will need reviewing the most is the `hash/sip.rs` file. r? @LukasKalbertodt (or someone else from the libs team)
bors
added a commit
to rust-lang-ci/rust
that referenced
this pull request
Apr 24, 2020
Rollup of 6 pull requests Successful merges: - rust-lang#70845 (Make the `structural_match` error diagnostic for const generics clearer) - rust-lang#71063 (Document unsafety in core::{option, hash}) - rust-lang#71068 (Stabilize UNICODE_VERSION (feature unicode_version)) - rust-lang#71426 (fix error code in E0751.md) - rust-lang#71459 (Add leading 0x to offset in Debug fmt of Pointer) - rust-lang#71492 (Document unsafety in core::{panicking, alloc::layout, hint, iter::adapters::zip}) Failed merges: r? @ghost
tesuji
reviewed
Apr 24, 2020
@@ -279,10 +278,13 @@ impl<S: Sip> super::Hasher for Hasher<S> { | |||
|
|||
// Buffered tail is now flushed, process new input. | |||
let len = length - needed; | |||
let left = len & 0x7; | |||
let left = len & 0x7; // len % 8 |
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
I expect rustc do this optimization. Why not replace the code with len % 8
?
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Labels
S-waiting-on-bors
Status: Waiting on bors to run and complete tests. Bors will change the label on completion.
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.
Helps with #66219.
I think that the part that will need reviewing the most is the
hash/sip.rs
file.r? @LukasKalbertodt (or someone else from the libs team)