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45 Commits

Author SHA1 Message Date
Daniel Micay
404de4f4ae iterator: impl DoubleEndedIterator for adaptors 2013-07-19 20:37:37 -04:00
Michael Sullivan
3fa5203273 Take default methods out from behind the flag. 2013-07-11 15:51:10 -07:00
Daniel Micay
fd5f8d90c5 iterator: add DoubleEndedIterator concept 
This implements the trait for vector iterators, replacing the reverse
iterator types. The methods will stay, for implementing the future
reverse Iterable traits and convenience.

This can also be trivially implemented for circular buffers and other
variants of arrays like strings and `SmallIntMap`/`SmallIntSet`.

The `DoubleEndedIterator` trait will allow for implementing algorithms
like in-place reverse on generic mutable iterators.

The naming (`Range` vs. `Iterator`, `Bidirectional` vs. `DoubleEnded`)
can be bikeshedded in the future.
 2013-07-11 01:31:01 -04:00
bors
2a8ae0eb4a auto merge of #7604 : apasel422/rust/peek, r=huonw 
This can be useful for inserting debugging code at different steps in an iterator pipeline.
 2013-07-08 10:22:57 -07:00
Daniel Micay
641aec7407 remove some method resolve workarounds 2013-07-07 19:51:13 -04:00
Andrew Paseltiner
7bb4ff6267 iterator: Add IteratorUtil::peek_ method 2013-07-07 19:29:37 -04:00
Kevin Ballard
20016b92c8 Implement .size_hint() on the remaining Iterator adaptors 
Every iterator adaptor now has an implementation of .size_hint() that
makes sense, except for when the default of (0, None) is correct.
 2013-07-05 01:56:48 -07:00
Kevin Ballard
dc9b3ff1b3 Change signature of Iterator.size_hint 
Remove the Option wrapper around the lower bound. None is semantically
the same as Size(0), so there's no point in having a distinction.
 2013-07-05 01:56:48 -07:00
Huon Wilson
c0a20d2929 Remove vec::{map, mapi, zip_map} and the methods, except for .map, since this 
is very common, and the replacement (.iter().transform().collect()) is very
ugly.
 2013-06-30 21:59:44 +10:00
Daniel Micay
d820355213 fix code block syntax in two docstrings 2013-06-29 17:33:18 -04:00
Ben Blum
ff4ab9e147 'Borrow' stack closures rather than copying them (e.g., "|x|f(x)"), in prep for making them noncopyable. 2013-06-29 04:39:34 -04:00
blake2-ppc
b9cf6a33d2 iterator: UnfoldrIterator::new should have function argument last 
To match Rust conventions and enable use of `do` etc, make sure the
closure is the last argument to the `new` method.
 2013-06-29 01:03:37 -04:00
bors
63afb8ccc8 auto merge of #7430 : huonw/rust/vec-kill, r=thestinger 2013-06-27 15:01:58 -07:00
Huon Wilson
366ca44cc8 std: silence some test warnings. 2013-06-28 01:45:24 +10:00
gifnksm
8edb8f6d39 iterator: Add IteratorUtil::max_by/min_by method 2013-06-27 06:55:22 +09:00
bors
3433851a37 auto merge of #7345 : blake2-ppc/rust/iterator-flat-map, r=thestinger 
flat_map_ produces an iterator that maps each element to an iterator,
and yields the elements of the produced iterators.

This is the monadic bind :: M a -> (a -> M b) -> M b  for iterators.

Named just like the vec method, but with a trailing underline until the
method resolution bug is resolved.

We discussed the name chain_map, but I decided to go with flat_map_ for consistency with vec.

Since it.map(f).flatten()  would be the same as it.flat_map(f), we could choose
to just implement a flatten method instead. Either way the possibilities are the same but flat_map is more convenient.
 2013-06-26 09:47:16 -07:00
James Miller
caa50ce15d Remove stage0 cfgs 2013-06-25 17:08:26 +12:00
blake2-ppc
6291702cf3 iterator: Add IteratorUtil::flat_map_ method 
flat_map_ produces an iterator that maps each element to an iterator,
and yields the elements of the produced iterators.

This is the monadic bind :: M a -> (a -> M b) -> M b  for iterators.

Named just like the vec method, but with a trailing underline until the
method resolution bug is resolved.
 2013-06-24 12:50:41 +02:00
Daniel Micay
3ab5ec4b7c iterator: implement collect with FromIterator 
This makes it take advantage of the size hint for pre-allocation.
 2013-06-24 01:35:15 -04:00
Daniel Micay
c9342663df iterator: add a FromIterator trait 
This is able to take advantage of the lower bound from the size hint.
 2013-06-22 15:59:59 -04:00
Daniel Micay
468cbd9d01 iterator: add a size_hint default method 
also adds an implementation for the vector iterators
 2013-06-22 15:59:59 -04:00
Daniel Micay
883c966d5c vec: replace position with iter().position_ 2013-06-21 03:23:59 -04:00
Daniel Micay
49c74524e2 vec: rm old_iter implementations, except BaseIter 
The removed test for issue #2611 is well covered by the `std::iterator`
module itself.

This adds the `count` method to `IteratorUtil` to replace `EqIter`.
 2013-06-21 03:20:22 -04:00
Graydon Hoare
d904c72af8 replace #[inline(always)] with #[inline]. r=burningtree. 2013-06-18 14:48:48 -07:00
bors
fd8aa9afbd auto merge of #7177 : huonw/rust/unfold-fix, r=thestinger 2013-06-16 10:55:02 -07:00
Huon Wilson
53f6a4e9fb std: fix UnfoldrIterator cross-crate. 2013-06-16 18:13:45 +10:00
Daniel Micay
79cd2dbe72 iterator: work around method resolve bug 2013-06-15 18:02:05 -04:00
Daniel Micay
2df66a84cd iterator: add a position adaptor 2013-06-15 17:56:54 -04:00
Daniel Micay
eb5ac84c8e iterator: add a find adaptor 2013-06-15 17:53:12 -04:00
Daniel Micay
585f5f7f79 add IteratorUtil to the prelude 2013-06-14 23:15:42 -04:00
bors
78cddc83a4 auto merge of #7073 : influenza/rust/iterator-doc-fixes, r=catamorphism 
This commit fixes two typos and an incorrect description.
 2013-06-12 12:13:53 -07:00
Ron Dahlgren
37489a67e5 Iterator documentation fixes 
Fixes two typos and one incorrect description.
 2013-06-11 16:34:03 -07:00
Daniel Micay
004816f4c6 option: remove redundant old_iter impls 2013-06-11 14:06:12 -04:00
Huon Wilson
98ba91f81b remove unused import warnings 2013-06-09 02:22:23 +10:00
Huon Wilson
65c7c58c8f std: remove {all*,any*,count} in favour of iterators 2013-06-09 02:22:23 +10:00
Daniel Micay
07e4d69baa iterator: work around method resolve bug (#5898) 2013-06-07 14:50:06 -04:00
Huon Wilson
5e9f006c5b std: more dummy type parameters on iterators to work around #6967. 2013-06-08 01:10:27 +10:00
Marvin Löbel
cac4891154 Fixups 2013-06-06 22:40:35 +02:00
Marvin Löbel
070015468d Removed IteratorUtil::to_vec and iter::to_vec 2013-06-06 22:11:48 +02:00
Marvin Löbel
857d433b9a Added IteratorUtil::collect 2013-06-06 22:11:48 +02:00
Huon Wilson
32228f3d57 std: work-around for take/skip type inference (#6967) 2013-06-06 16:40:12 +10:00
Daniel Farina
aef1e10eba Remove unnecessary 'use' forms 
Fix a laundry list of warnings involving unused imports that glutted
up compilation output.  There are more, but there seems to be some
false positives (where 'remedy' appears to break the build), but this
particular set of fixes seems safe.
 2013-05-30 13:08:18 -07:00
Alex Crichton
007651cd26 Require documentation by default for libstd 
Adds documentation for various things that I understand.
Adds #[allow(missing_doc)] for lots of things that I don't understand.
 2013-05-30 01:02:55 -05:00
Patrick Walton
206ab89629 librustc: Stop reexporting the standard modules from prelude. 2013-05-29 19:04:53 -07:00
Patrick Walton
0c820d4123 libstd: Rename libcore to libstd and libstd to libextra; update makefiles. 
This only changes the directory names; it does not change the "real"
metadata names.
 2013-05-22 21:57:05 -07:00