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Improve wording on NEWS.md

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Matheus Richard 2021-12-15 13:24:31 -03:00 • committed by Nobuyoshi Nakada
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NEWS.md
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@ -1,13 +1,13 @@
# NEWS for Ruby 3.1.0 # NEWS for Ruby 3.1.0
This document is a list of user visible feature changes This document is a list of user-visible feature changes
since the **3.0.0** release, except for bug fixes. since the **3.0.0** release, except for bug fixes.
Note that each entry is kept to a minimum, see links for details. Note that each entry is kept to a minimum, see links for details.
## Language changes ## Language changes
* The block argument can be now be anonymous, if the block will * The block argument can now be anonymous if the block will
only be passed to another method. [[Feature #11256]] only be passed to another method. [[Feature #11256]]
```ruby ```ruby
@ -65,9 +65,9 @@ Note that each entry is kept to a minimum, see links for details.
5. `bar` 5. `bar`
6. `baz=` called on the result of `bar` 6. `baz=` called on the result of `bar`
Starting in Ruby 3.1.0, evaluation order is now consistent with Starting in Ruby 3.1.0, the evaluation order is now consistent with
single assignment, with the left hand side being evaluated before single assignment, with the left-hand side being evaluated before
the right hand side: the right-hand side:
1. `foo` 1. `foo`
2. `bar` 2. `bar`
@ -91,11 +91,11 @@ Note that each entry is kept to a minimum, see links for details.
variable or method name even if it's a pseudo variable name such as variable or method name even if it's a pseudo variable name such as
`self`. `self`.
* non main-Ractors can get instance variables (ivars) of classes/modules * Non main-Ractors can get instance variables (ivars) of classes/modules
if ivars refer to shareable objects. if ivars refer to shareable objects.
[[Feature #17592]] [[Feature #17592]]
* A command syntax is allowed in endless method definition, i.e., * A command syntax is allowed in endless method definitions, i.e.,
you can now write `def foo = puts "Hello"`. you can now write `def foo = puts "Hello"`.
Note that `private def foo = puts "Hello"` does not parse. Note that `private def foo = puts "Hello"` does not parse.
[[Feature #17398]] [[Feature #17398]]
@ -103,12 +103,12 @@ Note that each entry is kept to a minimum, see links for details.
## Command line options ## Command line options
* `--disable-gems` is now explicitly declared as "just for debugging". * `--disable-gems` is now explicitly declared as "just for debugging".
Never use it in any real-world code base. Never use it in any real-world codebase.
[[Feature #17684]] [[Feature #17684]]
## Core classes updates ## Core classes updates
Outstanding ones only. Note: We're only listing outstanding class updates.
* Array * Array
@ -190,8 +190,8 @@ Outstanding ones only.
* Kernel#load now accepts a module as the second argument, * Kernel#load now accepts a module as the second argument,
and will load the file using the given module as the top and will load the file using the given module as the
level module. [[Feature #6210]] top-level module. [[Feature #6210]]
* Marshal * Marshal
@ -229,8 +229,8 @@ Outstanding ones only.
* Process.\_fork is added. This is a core method for fork(2). * Process.\_fork is added. This is a core method for fork(2).
Do not call this method directly; it is called by existing Do not call this method directly; it is called by existing
fork methods: Kernel.#fork, Process.fork, and IO.popen("-"). fork methods: Kernel.#fork, Process.fork, and IO.popen("-").
Application monitoring libraries can overwride this method to Application monitoring libraries can overwrite this method to
hook fork event. [[Feature #17795]] hook fork events. [[Feature #17795]]
* Struct * Struct
@ -245,7 +245,7 @@ Outstanding ones only.
* Update Unicode version to 13.0.0 [[Feature #17750]] * Update Unicode version to 13.0.0 [[Feature #17750]]
and Emoji version to 13.0 [[Feature #18029]] and Emoji version to 13.0 [[Feature #18029]]
* String#unpack and String#unpack1 now accepts an `offset:` keyword * String#unpack and String#unpack1 now accept an `offset:` keyword
argument to start the unpacking after an arbitrary number of bytes argument to start the unpacking after an arbitrary number of bytes
have been skipped. If `offset` is outside of the string bounds have been skipped. If `offset` is outside of the string bounds
`ArgumentError` is raised. [[Feature #18254]] `ArgumentError` is raised. [[Feature #18254]]
@ -403,12 +403,12 @@ Outstanding ones only.
See [[Feature #18176]] in detail. See [[Feature #18176]] in detail.
* Random::Formatter is moved to random/formatter.rb, so that you can * Random::Formatter is moved to random/formatter.rb, so that you can
use `Random#hex`, `Random#base64` and so on without SecureRandom. use `Random#hex`, `Random#base64`, and so on without SecureRandom.
[[Feature #18190]] [[Feature #18190]]
## Compatibility issues ## Compatibility issues
Excluding feature bug fixes. Note: Excluding feature bug fixes.
* `rb_io_wait_readable`, `rb_io_wait_writable` and `rb_wait_for_single_fd` are * `rb_io_wait_readable`, `rb_io_wait_writable` and `rb_wait_for_single_fd` are
deprecated in favour of `rb_io_maybe_wait_readable`, deprecated in favour of `rb_io_maybe_wait_readable`,
@ -492,8 +492,8 @@ See [this blog post](https://shopify.engineering/yjit-just-in-time-compiler-crub
## Debugger ## Debugger
* A new debugger [debug.gem](https://github.com/ruby/debug) is bundled. * A new debugger [debug.gem](https://github.com/ruby/debug) is bundled.
debug.gem is fast debugger implementation and it provides many features debug.gem is a fast debugger implementation, and it provides many features
like remote debugging, colorful REPL, IDE (VSCode) integration and more. like remote debugging, colorful REPL, IDE (VSCode) integration, and more.
It replaces `lib/debug.rb` standard library. It replaces `lib/debug.rb` standard library.
* `rdbg` command is also installed into `bin/` directory to start and control * `rdbg` command is also installed into `bin/` directory to start and control
@ -502,7 +502,7 @@ See [this blog post](https://shopify.engineering/yjit-just-in-time-compiler-crub
## error_highlight ## error_highlight
A built-in gem called error_highlight has been introduced. A built-in gem called error_highlight has been introduced.
It shows fine-grained error location in backtrace. It shows fine-grained error locations in the backtrace.
Example: `title = json[:article][:title]` Example: `title = json[:article][:title]`
@ -536,7 +536,7 @@ See [the repository](https://github.com/ruby/error_highlight) in detail.
allocation. Just by requiring this file, tracing is started *immediately*. allocation. Just by requiring this file, tracing is started *immediately*.
Just by `Kernel#p`, you can investigate where an object was created. Just by `Kernel#p`, you can investigate where an object was created.
Note that just requiring this file brings a large performance overhead. Note that just requiring this file brings a large performance overhead.
This is only for debugging purpose. Do not use this in production. This is only for debugging purposes. Do not use this in production.
[[Feature #17762]] [[Feature #17762]]
* Now exceptions raised in finalizers will be printed to `STDERR`, unless * Now exceptions raised in finalizers will be printed to `STDERR`, unless