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Update NEWS.md [ci skip]

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Jeremy Evans 2020-06-18 08:47:02 -07:00
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@ -14,6 +14,15 @@ sufficient information, see the ChangeLog file or Redmine
Code that resulted in deprecation warnings in Ruby 2.7 will now Code that resulted in deprecation warnings in Ruby 2.7 will now
result in ArgumentError or different behavior. [[Feature #14183]] result in ArgumentError or different behavior. [[Feature #14183]]
* Arguments forwarding (`...`) now supports leading arguments.
[[Feature #16378]]
```ruby
def method_missing(meth, ...)
send(:"do_#{meth}", ...)
end
```
* Procs accepting a single rest argument and keywords are no longer * Procs accepting a single rest argument and keywords are no longer
subject to autosplatting. This now matches the behavior of Procs subject to autosplatting. This now matches the behavior of Procs
accepting a single rest argument and no keywords. accepting a single rest argument and no keywords.
@ -32,6 +41,7 @@ sufficient information, see the ChangeLog file or Redmine
``` ```
* $SAFE is now a normal global variable with no special behavior. * $SAFE is now a normal global variable with no special behavior.
C-API methods related to $SAFE have been removed.
[[Feature #16131]] [[Feature #16131]]
* yield in singleton class definitions in methods is now a SyntaxError * yield in singleton class definitions in methods is now a SyntaxError
@ -50,6 +60,12 @@ sufficient information, see the ChangeLog file or Redmine
end end
``` ```
* When a class variable is overtaken by the same definition in an
ancestor class/module, a RuntimeError is now raised (previously,
it only issued a warning in verbose mode. Additionally, accessing a
class variable from the toplevel scope is now a RuntimeError.
[[Bug #14541]]
* Rightward assignment statement is added. [EXPERIMENTAL] * Rightward assignment statement is added. [EXPERIMENTAL]
[[Feature #15921]] [[Feature #15921]]
@ -111,19 +127,27 @@ Outstanding ones only.
#initialize_clone with the `freeze: false` keyword. #initialize_clone with the `freeze: false` keyword.
[[Bug #14266]] [[Bug #14266]]
* Kernel#clone when called with `freeze: true` keyword will call
#initialize_clone with the `freeze: true` keyword, and will
return a frozen copy even if the receiver is unfrozen.
[[Feature #16175]]
* Kernel#eval when called with two arguments will use "(eval)" * Kernel#eval when called with two arguments will use "(eval)"
for `__FILE__` and 1 for `__LINE__` in the evaluated code. for `__FILE__` and 1 for `__LINE__` in the evaluated code.
[[Bug #4352]] [[Bug #4352]]
* Kernel#lambda now warns if called without a literal block.
[[Feature #15973]]
* Module * Module
* Modified method * Modified method
* Module#include now includes the arguments in modules and * Module#include and #prepend now affect classes and modules that
classes that have already included or prepended the receiver, have already included or prepended the receiver, mirroring the
mirroring the behavior if the arguments were included in the behavior if the arguments were included in the receiver before
receiver before the other modules and classes included or the other modules and classes included or prepended the receiver.
prepended the receiver. [[Feature #9573]] [[Feature #9573]]
* Symbol * Symbol