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Update NEWS with Module#ruby2_keywords and a few other things

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Jeremy Evans 2019-10-07 12:55:22 -07:00
parent 6abcd35762
commit 055a85d3d9
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NEWS
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@ -127,6 +127,13 @@ sufficient information, see the ChangeLog file or Redmine
* Calling a private method with a literal <code>self</code> as the receiver * Calling a private method with a literal <code>self</code> as the receiver
is now allowed. [Feature #11297] [Feature #16123] is now allowed. [Feature #11297] [Feature #16123]
* Modifier rescue now operates the same for multiple assignment as single
assignment:
a, b = raise rescue [1, 2]
# Previously parsed as: (a, b = raise) rescue [1, 2]
# Now parsed as: a, b = (raise rescue [1, 2])
=== Core classes updates (outstanding ones only) === Core classes updates (outstanding ones only)
Array:: Array::
@ -231,6 +238,11 @@ Module::
* Added Module#const_source_location to retrieve the location where a * Added Module#const_source_location to retrieve the location where a
constant is defined. [Feature #10771] constant is defined. [Feature #10771]
* Added Module#ruby2_keywords for marking a method as passing keyword
arguments through a regular argument splat, useful when delegating
all arguments to another method in a way that can be backwards
compatible with older Ruby versions. [Bug #16154]
Modified method:: Modified method::
* Module#autoload? now takes an +inherit+ optional argument, like as * Module#autoload? now takes an +inherit+ optional argument, like as
@ -410,12 +422,28 @@ RubyGems::
=== Stdlib compatibility issues (excluding feature bug fixes) === Stdlib compatibility issues (excluding feature bug fixes)
pathname::
* Kernel#Pathname when called with a Pathname argument now returns
the argument instead of creating a new Pathname. This is more
similar to other Kernel methods, but can break code that modifies
the return value and expects the argument not to be modified.
profile.rb, Profiler__:: profile.rb, Profiler__::
* Removed from standard library. No one maintains it from Ruby 2.0.0. * Removed from standard library. No one maintains it from Ruby 2.0.0.
=== C API updates === C API updates
* Many <code>*_kw</code> functions have been added for setting whether
the final argument being passed should be treated as keywords. You
may need to switch to these functions to avoid keyword argument
separation warnings, and to ensure correct behavior in Ruby 3.
* The <code>:</code> character in rb_scan_args format string is now
treated as keyword arguments. Passing a positional hash instead of
keyword arguments will emit a deprecation warning.
* C API declarations with +ANYARGS+ are changed not to use +ANYARGS+ * C API declarations with +ANYARGS+ are changed not to use +ANYARGS+
https://github.com/ruby/ruby/pull/2404 https://github.com/ruby/ruby/pull/2404
@ -434,6 +462,10 @@ Fiber::
becomes O(log N) and fiber creation is amortized O(1). Around 10x becomes O(log N) and fiber creation is amortized O(1). Around 10x
performance improvement was measured in micro-benchmarks. performance improvement was measured in micro-benchmarks.
File::
* File.realpath now uses realpath(3) on many platforms, which can
significantly improve performance.
Thread:: Thread::
* VM stack memory allocation is now combined with native thread stack, * VM stack memory allocation is now combined with native thread stack,