Ben S [Tue, 13 Oct 2015 12:06:00 +0000 (13:06 +0100)]
Make the Metadata struct Clone
This commit adds #[derive(Clone)] to std::fs::Metadata, making that struct
cloneable. Although the exact contents of that struct differ between OSes,
they all have it contain only value types, meaning that the data can be re-used without repercussions.
It also adds #[derive(Clone)] to every type used by that struct across all
OSes, including the various Unix `stat` structs and Windows's
`WIN32_FILE_ATTRIBUTE_DATA`.
Ariel Ben-Yehuda [Mon, 12 Oct 2015 20:37:52 +0000 (23:37 +0300)]
require a method callee's type to outlive the call
This rather crucial requirement was not checked. In most cases, that
didn't cause any trouble because the argument types are required to
outlive the call and are subtypes of a subformula of the callee type.
However, binary ops are taken by ref only indirectly, without it being
marked in the argument types, which led to the argument types not being
constrained anywhere causing spurious errors (as these are basically
unconstrainable, I don't think this change can break code). Of course,
the old way was also incorrent with contravariance, but that is still
unsound for other reasons.
This also improves rustc::front to get RUST_LOG to *somewhat* work.
bors [Sat, 10 Oct 2015 22:39:35 +0000 (22:39 +0000)]
Auto merge of #28941 - jcaudle:rustfmt/librand-distributions-normal, r=nrc
This is my first PR to rust and first collaboration on a rust project, but I think the formatting looked ok. If this works out, I hope to go through more of librand.
bors [Sat, 10 Oct 2015 12:02:24 +0000 (12:02 +0000)]
Auto merge of #28938 - GlenDC:master, r=Manishearth
Here is my attempt to resolve issue #28822, @Manishearth.
Please let me know if it's fine. And if not, what should I do instead?
This issue felt like quite a good start for some rust contributions. It allows me to get used to the workflow and codebase of rust in an easy-to-swallow manner. Are there any other issues you would recommend me to look at? :) Would love to do some more stuff!
bors [Sat, 10 Oct 2015 06:07:40 +0000 (06:07 +0000)]
Auto merge of #28920 - dotdash:const_align, r=eddyb
For enum variants, the default alignment for a specific variant might be
lower than the alignment of the enum type itself. In such cases we, for
example, generate memcpy calls with an alignment that's higher than the
alignment of the constant we copy from.
To avoid that, we need to explicitly set the required alignment on
constants.
bors [Sat, 10 Oct 2015 02:29:37 +0000 (02:29 +0000)]
Auto merge of #28932 - barosl:empty-comment, r=alexcrichton
Previously, `/**/` was incorrectly regarded as a doc comment because it starts with `/**` and ends with `*/`. However, this caused an ICE because some code assumed that the length of a doc comment is at least 5. This commit adds an additional check to `is_block_doc_comment` that tests the length of the input.
For enum variants, the default alignment for a specific variant might be
lower than the alignment of the enum type itself. In such cases we, for
example, generate memcpy calls with an alignment that's higher than the
alignment of the constant we copy from.
To avoid that, we need to explicitly set the required alignment on
constants.
Barosl Lee [Wed, 7 Oct 2015 22:25:59 +0000 (07:25 +0900)]
Prevent `/**/` from being parsed as a doc comment
Previously, `/**/` was incorrectly regarded as a doc comment because it
starts with `/**` and ends with `*/`. However, this caused an ICE
because some code assumed that the length of a doc comment is at least
5. This commit adds an additional check to `is_block_doc_comment` that
tests the length of the input.
bors [Fri, 9 Oct 2015 19:28:43 +0000 (19:28 +0000)]
Auto merge of #28926 - DanielKeep:syntax-index, r=steveklabnik
The intent with this chapter is to have a central place where users can
go to find out what a random bit of syntax means, be it a keyword,
symbol, or some unusual bit of composite syntax (like `for <...>`). This
should be useful both for new users (who may not know what to call this
weird `'blah` thing), and for experienced users (who may just wish to
link someone to the appropriate section on `Trait + Trait` bounds).
Where possible, entries have been linked to an appropriate section of
the book which explains the syntax. This was not possible in all cases.
If an entry is missing links, that's because I was unable to *find*
anything appropriate to link to.
This commit should include all stable keywords, operators and symbols,
as well as a selection of potentially confusing or unusual syntax.
bors [Fri, 9 Oct 2015 17:07:48 +0000 (17:07 +0000)]
Auto merge of #28929 - pnkfelix:expand-legal-cycles-test, r=alexcrichton
Major revision to the dropck_legal_cycles test.
1. Added big comment block explaining the test framework.
2. Added tests exericising Rc and Arc. This was inspired by a comment
from eefriedman on PR #28861.
3. Made the cycle-detection not issue false-positives on acyclic dags.
Doing this efficiently required revising the framework; instead of
visiting all children (i.e. doing a traversal), now each test is
responsible for supplying the path that will act as a witness to
the cycle.
Luckily for me, all of the pre-existing tests worked with a trivial
path built from "always tke your first left", but new tests I added
did require other input paths (i.e., "first turn right, then left".
(The path representation is a bit-string and its branches are
n-ary, not word phrases and binary branches as you might think
from the outline above.)
Improving the use of 2nd and 3rd person
Adding a few contractions to make the text less formal
Tidying up some notes
Providing a little bit more clarification for Windows users
Replacing all references to the 2nd person with references to the 3rd
person (excluding `authors = [ "Your name <you@example.com>" ]` and
`file:///home/yourname/projects/hello_world` in `hello-cargo.md`)
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