Implement low-hanging fruit of collection conventions
* Renames/deprecates the simplest and most obvious methods
* Adds FIXME(conventions)s for outstanding work
* Marks "handled" methods as unstable
NOTE: the semantics of reserve and reserve_exact have changed!
Other methods have had their semantics changed as well, but in a
way that should obviously not typecheck if used incorrectly.
Lots of work and breakage to come, but this handles most of the core
APIs and most eggregious breakage. Future changes should *mostly* focus on
niche collections, APIs, or simply back-compat additions.
bors [Thu, 6 Nov 2014 16:52:09 +0000 (16:52 +0000)]
auto merge of #18559 : aturon/rust/prelude_cleanup, r=alexcrichton
This commit renames a number of extension traits for slices and string slices, now that they have been refactored for DST. In many cases, multiple extension traits could now be consolidated. Further consolidation will be possible with generalized where clauses.
The renamings are consistent with the [new `-Prelude` suffix](https://github.com/rust-lang/rfcs/pull/344). There are probably a few more candidates for being renamed this way, but that is left for API stabilization of the relevant modules.
Because this renames traits, it is a:
[breaking-change]
However, I do not expect any code that currently uses the standard library to actually break.
Aaron Turon [Mon, 3 Nov 2014 01:04:32 +0000 (17:04 -0800)]
Prelude: rename and consolidate extension traits
This commit renames a number of extension traits for slices and string
slices, now that they have been refactored for DST. In many cases,
multiple extension traits could now be consolidated. Further
consolidation will be possible with generalized where clauses.
The renamings are consistent with the [new `-Prelude`
suffix](https://github.com/rust-lang/rfcs/pull/344). There are probably
a few more candidates for being renamed this way, but that is left for
API stabilization of the relevant modules.
Because this renames traits, it is a:
[breaking-change]
However, I do not expect any code that currently uses the standard
library to actually break.
bors [Thu, 6 Nov 2014 14:06:59 +0000 (14:06 +0000)]
auto merge of #18608 : alexcrichton/rust/lint-some-crates, r=aturon
This commit adds support for linting `extern crate` statements for stability
attributes attached to the crate itself. This is likely to be the mechanism used
to deny access to experimental crates that are part of the standard
distribution.
Niko Matsakis [Mon, 3 Nov 2014 19:48:03 +0000 (14:48 -0500)]
Partial fix for #17901: Be less conservative around unbound type
variables in the intracrate case. This requires a deeper distinction
between inter- and intra-crate so as to keep coherence working.
I suspect the best fix is to generalize the recursion check that
exists today, but this requires a bit more refactoring to achieve.
(In other words, where today it says OK for an exact match, we'd want
to not detect exact matches but rather skolemize each trait-reference
fresh and return AMBIG -- but that requires us to make builtin bounds
work shallowly like everything else and move the cycle detection into
the fulfillment context.)
bors [Wed, 5 Nov 2014 22:31:44 +0000 (22:31 +0000)]
auto merge of #18486 : nikomatsakis/rust/operator-dispatch, r=pcwalton
This branch cleans up overloaded operator resolution so that it is strictly based on the traits in `ops`, rather than going through the normal method lookup mechanism. It also adds full support for autoderef to overloaded index (whereas before autoderef only worked for non-overloaded index) as well as for the slicing operators.
This is a [breaking-change]: in the past, we were accepting combinations of operands that were not intended to be accepted. For example, it was possible to compare a fixed-length array and a slice, or apply the `!` operator to a `&int`. See the first two commits in this pull-request for examples.
One downside of this change is that comparing fixed-length arrays doesn't always work as smoothly as it did before. Before this, comparisons sometimes worked due to various coercions to slices. I've added impls for `Eq`, `Ord`, etc for fixed-lengths arrays up to and including length 32, but if the array is longer than that you'll need to either newtype the array or convert to slices. Note that this plays better with deriving in any case than the previous scheme.
bors [Wed, 5 Nov 2014 18:01:53 +0000 (18:01 +0000)]
auto merge of #18462 : netvl/rust/to-socket-addr, r=alexcrichton
This is a follow-up to [RFC PR #173](https://github.com/rust-lang/rfcs/pull/173). I was told there that changes like this don't need to go through the RFC process, so I'm submitting this directly.
This PR introduces `ToSocketAddr` trait as defined in said RFC. This trait defines a conversion from different types like `&str`, `(&str, u16)` or even `SocketAddr` to `SocketAddr`. Then this trait is used in all constructor methods for `TcpStream`, `TcpListener` and `UdpSocket`.
This unifies these constructor methods - previously they were using different types of input parameters (TCP ones used `(&str, u16)` pair while UDP ones used `SocketAddr`), which is not consistent by itself and sometimes inconvenient - for example, when the address initially is available as `SocketAddr`, you still need to convert it to string to pass it to e.g. `TcpStream`. This is very prominently demonstrated by the unit tests for TCP functionality. This PR makes working with network objects much like with `Path`, which also uses similar trait to be able to be constructed from `&[u8]`, `Vec<u8>` and other `Path`s.
This is a breaking change. If constant literals were used before, like this:
```rust
TcpStream::connect("localhost", 12345)
```
then the nicest fix is to change it to this:
```rust
TcpStream::connect("localhost:12345")
```
If variables were used before, like this:
```rust
TcpStream::connect(some_address, some_port)
```
then the arguments should be wrapped in another set of parentheses:
```rust
TcpStream::connect((some_address, some_port))
```
`UdpSocket` usages won't break because its constructor method accepted `SocketAddr` which implements `ToSocketAddr`, so `bind()` calls:
```rust
UdpSocket::bind(some_socket_addr)
```
will continue working as before.
I haven't changed `UdpStream` constructor because it is deprecated anyway.
Niko Matsakis [Fri, 31 Oct 2014 09:44:10 +0000 (05:44 -0400)]
Implement new operator dispatch semantics.
Key points are:
1. `a + b` maps directly to `Add<A,B>`, where `A` and `B` are the types of `a` and `b`.
2. Indexing and slicing autoderefs consistently.
Niko Matsakis [Fri, 31 Oct 2014 09:41:25 +0000 (05:41 -0400)]
Add impls of the comparison operators for fixed-length arrays of lengths 0...32 and repair various cases where slices and fixed-length arrays were being compared.
bors [Wed, 5 Nov 2014 10:21:38 +0000 (10:21 +0000)]
auto merge of #18546 : bkoropoff/rust/unboxed-closures-cross-crate, r=nick29581
This fixes some metadata/AST encoding problems that lead to ICEs. The way this is currently handled will need revisiting if abstract return types are added, as unboxed closure types from extern crates could show up without being inlined into the local crate.
Closes #16790 (I think this was fixed earlier by accident and just needed a test case)
Closes #18378
Closes #18543
Vladimir Matveev [Sun, 19 Oct 2014 19:02:21 +0000 (23:02 +0400)]
Added ToSocketAddr trait
This commit adds ToSocketAddr trait to std::io::net::ip module. This
trait is used for generic conversion from different types (strings,
(string, u16) tuples, etc.) into a SocketAddr instance. It supports
multiple output SocketAddresses when it is appropriate (e.g. DNS name
resolution).
This trait is going to be used by TcpStream, TcpListener and UdpSocket
structures.
bors [Wed, 5 Nov 2014 07:01:38 +0000 (07:01 +0000)]
auto merge of #18592 : alexcrichton/rust/dylib-harder, r=pcwalton
If a dylib is being produced, the compiler will now first check to see if it can
be created entirely statically before falling back to dynamic dependencies. This
behavior can be overridden with `-C prefer-dynamic`.
Due to the alteration in behavior, this is a breaking change. Any previous users
relying on dylibs implicitly maximizing dynamic dependencies should start
passing `-C prefer-dynamic` to compilations.
bors [Tue, 4 Nov 2014 21:26:23 +0000 (21:26 +0000)]
auto merge of #18338 : chastell/rust/guide_pointer_fixes, r=alexcrichton
This removes some leftover line-numbering cruft from elided error examples and brings some minor clarifications.
I’m not super happy about the ‘we cannot have two mutable pointers that point to the same memory’ wording (to the best of my understanding we can’t even have one mutable and one immutable), but other attempts to word this were derailing the flow a bit too much.
bors [Tue, 4 Nov 2014 18:46:19 +0000 (18:46 +0000)]
auto merge of #18528 : seanjensengrey/rust/doc-18498, r=brson
This addresses https://github.com/rust-lang/rust/issues/18498 by adding a prepopulated search box to do site search on `doc.rust-lang.org` using duckduckgo AND generating a search url against the rust documentation using the internal search facilities.
Alex Crichton [Tue, 4 Nov 2014 07:54:12 +0000 (23:54 -0800)]
rustc: Support stability attributes on crates
This commit adds support for linting `extern crate` statements for stability
attributes attached to the crate itself. This is likely to be the mechanism used
to deny access to experimental crates that are part of the standard
distribution.
Removes all target-specific knowledge from rustc. Some targets have changed
during this, but none of these should be very visible outside of
cross-compilation. The changes make our targets more consistent.
iX86-unknown-linux-gnu is now only available as i686-unknown-linux-gnu. We
used to accept any value of X greater than 1. i686 was released in 1995, and
should encompass the bare minimum of what Rust supports on x86 CPUs.
The only two windows targets are now i686-pc-windows-gnu and
x86_64-pc-windows-gnu.
The iOS target has been renamed from arm-apple-ios to arm-apple-darwin.
bors [Tue, 4 Nov 2014 03:36:55 +0000 (03:36 +0000)]
auto merge of #18132 : P1start/rust/more-help, r=jakub-
Closes #18126.
At the moment this mostly only changes notes that are particularly help-oriented or directly suggest the user to do something to help messages, and does not change messages that simply explain an error message further. If it is decided that those messages should also be help messages, I can add them to this PR, but for now I’m excluding them as I believe that changing those messages might leave very few places where notes would be appropriate.
bors [Mon, 3 Nov 2014 23:16:55 +0000 (23:16 +0000)]
auto merge of #18589 : alexcrichton/rust/issue-18587-warn, r=jakub-
There's currently a bug in it which fires erroneously on cross compiles,
preventing new nightlies from being generated. This can be reset back to Deny
once it's been fixed.
Alex Crichton [Mon, 3 Nov 2014 07:02:53 +0000 (23:02 -0800)]
rustc: Default to static linking dylibs
If a dylib is being produced, the compiler will now first check to see if it can
be created entirely statically before falling back to dynamic dependencies. This
behavior can be overridden with `-C prefer-dynamic`.
Due to the alteration in behavior, this is a breaking change. Any previous users
relying on dylibs implicitly maximizing dynamic dependencies should start
passing `-C prefer-dynamic` to compilations.
Alex Crichton [Mon, 3 Nov 2014 22:34:14 +0000 (14:34 -0800)]
rustc: Set the exceeding_bitshifts lint to Allow
There's currently a bug in it which fires erroneously on cross compiles,
preventing new nightlies from being generated. This can be reset back to Deny
once it's been fixed.