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111 Commits

Author SHA1 Message Date
Joseph Crail
e3b7fedc20 Fix misspelled comments. 
I cleaned up comments prior to the 1.0 alpha release.
 2015-01-06 20:53:18 -05:00
Jorge Aparicio
5f7f2c9a05 remove ty_closure 2015-01-05 17:22:15 -05:00
Jorge Aparicio
351409a622 sed -i -s 's/#\[deriving(/#\[derive(/g' **/*.rs 2015-01-03 22:54:18 -05:00
Jorge Aparicio
56dcbd17fd sed -i -s 's/\bmod,/self,/g' **/*.rs 2015-01-03 22:42:21 -05:00
bors
c6c786671d auto merge of #20490 : japaric/rust/assoc-types, r=aturon 
closes #20486 
closes #20474 
closes #20441

[breaking-change]

The `Index[Mut]` traits now have one less input parameter, as the return type of the indexing operation is an associated type. This breaks all existing implementations.

---

binop traits (`Add`, `Sub`, etc) now have an associated type for their return type. Also, the RHS input parameter now defaults to `Self` (except for the `Shl` and `Shr` traits). For example, the `Add` trait now looks like this:

``` rust
trait Add<Rhs=Self> {
    type Output;

    fn add(self, Rhs) -> Self::Output;
}
```

The `Neg` and `Not` traits now also have an associated type for their return type.

This breaks all existing implementations of these traits.

---
Affected traits:

- `Iterator { type Item }`
- `IteratorExt` no input/output types, uses `<Self as Iterator>::Item` in its methods
- `DoubleEndedIterator` no input/output types, uses `<Self as Iterator>::Item` in its methods
- `DoubleEndedIteratorExt` no input/output types, uses `<Self as Iterator>::Item` in its methods
- `RandomAccessIterator` no input/output types
- `ExactSizeIterator` no input/output types, uses `<Self as Iterator>::Item` in its methods

This breaks all the implementations of these traits.
 2015-01-04 00:50:59 +00:00
Jorge Aparicio
62ee3f1622 rustc: fix fallout 2015-01-03 09:34:05 -05:00
Niko Matsakis
7474be0660 Make ty::ParameterEnvironment, not ty::ctxt, implement Typer and 
`UnboxedClosureTyper`. This requires adding a `tcx` field to
`ParameterEnvironment` but generally simplifies everything since we
only need to pass along an `UnboxedClosureTyper` or `Typer`.
 2015-01-03 07:01:21 -05:00
Alex Crichton
340f3fd7a9 rollup merge of #20410: japaric/assoc-types 
Conflicts:
	src/liballoc/lib.rs
	src/libcollections/lib.rs
	src/libcollections/slice.rs
	src/libcore/ops.rs
	src/libcore/prelude.rs
	src/libcore/ptr.rs
	src/librustc/middle/traits/project.rs
	src/libstd/c_str.rs
	src/libstd/io/mem.rs
	src/libstd/io/mod.rs
	src/libstd/lib.rs
	src/libstd/path/posix.rs
	src/libstd/path/windows.rs
	src/libstd/prelude.rs
	src/libstd/rt/exclusive.rs
	src/libsyntax/lib.rs
	src/test/compile-fail/issue-18566.rs
	src/test/run-pass/deref-mut-on-ref.rs
	src/test/run-pass/deref-on-ref.rs
	src/test/run-pass/dst-deref-mut.rs
	src/test/run-pass/dst-deref.rs
	src/test/run-pass/fixup-deref-mut.rs
	src/test/run-pass/issue-13264.rs
	src/test/run-pass/overloaded-autoderef-indexing.rs
 2015-01-02 13:51:50 -08:00
Niko Matsakis
fc7d8faba8 Handle recursive obligations without exiting the inference probe 
Conflicts:
	src/librustc/middle/traits/select.rs
 2015-01-02 14:22:00 -05:00
Niko Matsakis
45468f37c8 Temporarily do not evaluate subobligations. 2015-01-02 14:21:49 -05:00
Niko Matsakis
ea1ad792f9 Evaluate projection predicates during trait selection. Fixes #20296. 2015-01-02 14:21:37 -05:00
Niko Matsakis
704ed4c7d0 Address nits. 2015-01-02 12:09:38 -05:00
Niko Matsakis
dabd7507b6 Ensure that, for every trait Foo, the predicate Foo : Foo holds. 2015-01-02 12:09:38 -05:00
Niko Matsakis
1e3214ba33 Normalize the associated types in closure and closure upvar types. 2015-01-01 18:48:26 -05:00
Niko Matsakis
78f848cde5 Refactor the Typer interface to separate out UnboxedClosureTyper methods, which are 
the only things that trait selection needs.
 2015-01-01 18:48:26 -05:00
Niko Matsakis
7092af7ee3 Normalize predicates found on the impl 2015-01-01 18:48:26 -05:00
Niko Matsakis
919975d0a5 Address nits. 2014-12-30 09:36:23 -05:00
Niko Matsakis
de8e0ae22c Remove the AssocSpace 2014-12-30 09:36:23 -05:00
Niko Matsakis
7ed0e23209 Resolve merge conflicts. This changes should really be integrated back to their respective 
commits but oh dear what a pain.
 2014-12-30 09:36:23 -05:00
Niko Matsakis
05eb2eeb61 Adjust tests for inferenceGet more conservative about inference for now. Seems better to err on the side of being more correct rather than less. Fix a bug in typing index expressions that was exposed as a result, and add one type annotation that is not required. Delete some random tests that were relying on old behavior and don't seem to add anything anymore. 2014-12-30 09:36:23 -05:00
Niko Matsakis
f1c041a54d Patch long line. 2014-12-30 09:36:23 -05:00
Niko Matsakis
3657ae13f5 Don't normalize associated types when in region binders, wait until we instantiate 
them. Also fix some assertions and handling of builtin bounds.
 2014-12-30 09:36:22 -05:00
Niko Matsakis
b7c6e317b0 Make projected types select out of the trait bounds. 2014-12-30 09:36:22 -05:00
Niko Matsakis
4404592f36 Implement associated type projection and normalization. 2014-12-30 09:36:21 -05:00
Niko Matsakis
f95bb55a1c Move the scalar types out of static data so that we can put Rc into sty. 2014-12-30 09:34:38 -05:00
Niko Matsakis
986f654f3b Rename trait_ref field to predicate, since trait_ref is really 
overly general, and the value is always *some* sort of predicate.
 2014-12-30 09:32:42 -05:00
Huon Wilson
91db254c81 More rebase fixes. 2014-12-30 00:11:30 +11:00
Huon Wilson
ce3c949115 Intern BareFnTys to make sty slightly smaller. 
This cuts the ty_bare_fn variant to 48 bytes rather than 56. There
doesn't seem to be a noticable memory usage decrease from this.
 2014-12-29 23:55:24 +11:00
Huon Wilson
4f2b0f032a Store Substs in an arena in the tcx. 
This current inflates memory use more than 3 times.
 2014-12-29 23:55:24 +11:00
bors
4a4c89c7a4 auto merge of #20119 : FlaPer87/rust/oibit-send-and-friends, r=nikomatsakis 
More work on opt-in built in traits. `Send` and `Sync` are not opt-in, `OwnedPtr` renamed to `UniquePtr` and the `Send` and `Sync` traits are now unsafe.

NOTE: This likely needs to be rebased on top of the yet-to-land snapshot.

r? @nikomatsakis 

cc #13231
 2014-12-27 13:11:48 +00:00
Flavio Percoco
607f60712c Keep track of the whole error chain 2014-12-26 17:26:33 +01:00
Flavio Percoco
fb803a8570 Require types to opt-in Sync 2014-12-26 17:26:32 +01:00
Niko Matsakis
a583ba2fa0 Remove McResult from the mem-categorization interface. 2014-12-25 07:04:07 -05:00
Alex Crichton
de11710d80 rollup merge of #19891: nikomatsakis/unique-fn-types-3 
Conflicts:
	src/libcore/str.rs
	src/librustc_trans/trans/closure.rs
	src/librustc_typeck/collect.rs
	src/libstd/path/posix.rs
	src/libstd/path/windows.rs
 2014-12-22 12:51:23 -08:00
Niko Matsakis
2a43b352f7 Rote changes that don't care to distinguish between a fn pointer and a fn item. 2014-12-22 12:27:07 -05:00
Alex Crichton
082bfde412 Fallout of std::str stabilization 2014-12-21 23:31:42 -08:00
Jorge Aparicio
e64a0072d6 librustc: use #[deriving(Copy)] 2014-12-19 10:51:00 -05:00
Niko Matsakis
f45c0ef51e Implement "perfect forwarding" for HR impls (#19730). 2014-12-19 03:29:31 -05:00
Niko Matsakis
c2ca1a4b62 Make all predicates higher-ranked, not just trait references. 2014-12-19 03:29:30 -05:00
Niko Matsakis
1205fd88df Centralize on using Binder to introduce new binding levels, rather than having FnSig carry an implicit binding level. This means that we be more typesafe in general, since things that instantiate bound regions can drop the Binder to reflect that. 2014-12-19 03:29:30 -05:00
Niko Matsakis
416e62924e Rename the code that replaces unbound variables to "freshen" rather than "skolemize" -- strictly speaking, this is not skolemization, because it is not discharging quantifiers. Also, the trait selection code will still be doing true skolemization, so it would be a confusing overlap of names. 2014-12-19 03:29:30 -05:00
Niko Matsakis
3cf0fbeee9 Create distinct types for a PolyTraitRef (with bindings) and a normal TraitRef. 2014-12-19 03:29:30 -05:00
Flavio Percoco
127dac4990 Don't make unboxed closures implicitly copiable 
The fix just checks if the bound is `Copy` and returns an `Err` if so.

Closes: #19817
 2014-12-16 11:44:10 +01:00
Niko Matsakis
092d04a40a Rename FnStyle trait to Unsafety. 2014-12-14 11:11:55 -05:00
Niko Matsakis
d258d68db6 Remove proc types/expressions from the parser, compiler, and 
language. Recommend `move||` instead.
 2014-12-14 04:21:56 -05:00
Niko Matsakis
97cf91aa30 Fix the opt-out-copy behavior so that values with dtor etc are considered affine 2014-12-12 20:25:21 -05:00
Niko Matsakis
9f492fefef Switch to using predicates to drive checking. Correct various tests -- 
in most cases, just the error message changed, but in some cases we
are reporting new errors that OUGHT to have been reported before but
we're overlooked (mostly involving the `'static` bound on `Send`).
 2014-12-12 20:25:21 -05:00
Niko Matsakis
4efaddf7c9 Start restructuring to support generalized where clauses etc. 2014-12-12 20:24:34 -05:00
bors
ef4982f0f8 auto merge of #19466 : nikomatsakis/rust/recursion-limit, r=eddyb 
This is particularly important for deeply nested types, which generate deeply nested impls. This is a fix for #19318. It's possible we could also improve this particular case not to increment the recursion count, but it's worth being able to adjust the recursion limit anyhow.

cc @jdm 
r? @pcwalton
 2014-12-09 14:02:45 +00:00
Niko Matsakis
34812b891d Stop masking overflow and propagate it out more aggressively; also improve error reporting to suggest to user how to fix. 2014-12-08 15:51:38 -05:00