Itertools
=========
Extra iterator adaptors, functions and macros.
Please read the `API documentation here`__
__ http://bluss.github.io/rust-itertools/
|build_status|_ |crates|_
.. |build_status| image:: https://travis-ci.org/bluss/rust-itertools.svg?branch=master
.. _build_status: https://travis-ci.org/bluss/rust-itertools
.. |crates| image:: http://meritbadge.herokuapp.com/itertools
.. _crates: https://crates.io/crates/itertools
How to use with cargo::
[dependencies]
itertools = "0.4"
How to use in your crate:
.. code:: rust
#[macro_use] extern crate itertools;
use itertools::Itertools;
Recent Changes
--------------
- 0.4.1
- Update .dropping() to take advantage of .nth()
- 0.4.0
- .merge(), .unique() and .dedup() now perform better due to not using
function pointers
- Add free functions enumerate() and rev()
- Breaking changes:
- Return types of .merge() and .merge_by() renamed and changed
- Method Merge::new removed
- .merge_by() now takes a closure that returns bool.
- Return type of .dedup() changed
- Return type of .mend_slices() changed
- Return type of .unique() changed
- Removed function times(), struct Times: use a range instead
- Removed deprecated macro icompr!()
- Removed deprecated FnMap and method .fn_map(): use .map_fn()
- .interleave_shortest() is no longer guaranteed to act like fused
- 0.3.25
- Rename .sort_by() to .sorted_by(). Old name is deprecated.
- Fix well-formedness warnings from RFC 1214, no user visible impact
- 0.3.24
- Improve performance of .merge()'s ordering function slightly
- 0.3.23
- Added .chunks_lazy(), similar to (and based on) .group_by_lazy().
- Tweak linspace to match numpy.linspace and make it double ended.
- 0.3.22
- Added ZipSlices, a fast zip for slices
- 0.3.21
- Remove `Debug` impl for `Format`, it will have different use later
- 0.3.20
- Optimize .group_by_lazy()
- 0.3.19
- Added .group_by_lazy(), a possibly nonallocating group by
- Added .format(), a nonallocating formatting helper for iterators
- Remove uses of RandomAccessIterator since it has been deprecated in rust.
- 0.3.17
- Added (adopted) Unfold from rust
- 0.3.16
- Added adaptors .unique(), .unique_by()
- 0.3.15
- Added method .sort_by()
- 0.3.14
- Added adaptor .while_some()
- 0.3.13
- Added adaptor .interleave_shortest()
- Added adaptor .pad_using()
- 0.3.11
- Added assert_equal function
- 0.3.10
- Bugfix .combinations() size_hint.
- 0.3.8
- Added source RepeatCall
- 0.3.7
- Added adaptor PutBackN
- Added adaptor .combinations()
- 0.3.6
- Added itertools::partition, partition a sequence in place based on a predicate.
- Deprecate icompr!() with no replacement.
- 0.3.5
- .map_fn() replaces deprecated .fn_map().
- 0.3.4
- .take_while_ref() *by-ref adaptor*
- .coalesce() *adaptor*
- .mend_slices() *adaptor*
- 0.3.3
- .dropping_back() *method*
- .fold1() *method*
- .is_empty_hint() *method*
License
-------
Dual-licensed to be compatible with the Rust project.
Licensed under the Apache License, Version 2.0
http://www.apache.org/licenses/LICENSE-2.0 or the MIT license
http://opensource.org/licenses/MIT, at your
option. This file may not be copied, modified, or distributed
except according to those terms.