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add NEWS.md entry for enumerate extension and indexing traits rename #21997

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May 24, 2017
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add NEWS.md entry for enumerate extension and indexing traits rename #21997

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11 changes: 11 additions & 0 deletions NEWS.md
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Original file line number Diff line number Diff line change
Expand Up @@ -442,6 +442,11 @@ Library improvements
`map(uppercase ∘ hex, 250:255)` is now equivalent to
`map(x -> uppercase(hex(x)), 250:255)` ([#17155]).

* `enumerate` now supports the two-argument form `enumerate(::IndexStyle, iterable)`.
This form allows specification of the returned indices' style. For example,
`enumerate(IndexLinear, iterable)` yields linear indices and
`enumerate(IndexCartesian, iterable)` yields cartesian indices ([#16378]).

Compiler/Runtime improvements
-----------------------------

Expand Down Expand Up @@ -539,6 +544,11 @@ Deprecated or removed
For example, `isnumber("123")` should now be expressed `all(isnumber, "123")`
([#20342]).

* A few names related to indexing traits have been changed: `LinearIndexing` and
`linearindexing` have been deprecated in favor of `IndexStyle`. `LinearFast` has
been deprecated in favor of `IndexLinear`, and `LinearSlow` has been deprecated in
favor of `IndexCartesian` ([#16378]).

* The two-argument forms of `map` (`map!(f, A)`) and `asyncmap!` (`asyncmap!(f, A)`)
have been deprecated in anticipation of future semantic changes ([#19721]).

Expand Down Expand Up @@ -614,6 +624,7 @@ Command-line option changes
[#12563]: https://github.com/JuliaLang/julia/issues/12563
[#15850]: https://github.com/JuliaLang/julia/issues/15850
[#16213]: https://github.com/JuliaLang/julia/issues/16213
[#16378]: https://github.com/JuliaLang/julia/issues/16378
[#16937]: https://github.com/JuliaLang/julia/issues/16937
[#16961]: https://github.com/JuliaLang/julia/issues/16961
[#16984]: https://github.com/JuliaLang/julia/issues/16984
Expand Down