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Ruby 3.0.0 RC1 Released
A new Ruby blog post/announcement has been posted!
Get the full details here: Ruby 3.0.0 RC1 Released
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AstonJ
Ruby 3 is shaping up nicely:
TypeProf
TypeProf is a type analysis tool bundled in the Ruby package.
Currently, TypeProf serves as a kind of type inference.
Ractor (experimental)
Ractor is an Actor-model like concurrent abstraction designed to provide a parallel execution feature without thread-safety concerns.
You can make multiple ractors and you can run them in parallel. Ractor enables you to make thread-safe parallel programs because ractors can not share normal objects. Communication between ractors are supported by message passing.
Fiber Scheduler
Fiber#scheduler
is introduced for intercepting blocking operations. This allows for light-weight concurrency without changing existing code. Watch “Don’t Wait For Me, Scalable Concurrency for Ruby 3” for an overview of how it works.
Other Notable New Features
- One-line pattern matching is redesigned. (experimental)
- Find pattern is added. (experimental)
- Endless method definition is added.
-
Hash#except
is now built-in. - Plus loads more

DevotionGeo
Wow!
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