Ruby 3 Released

• state_machines

  2 724 0.0 Ruby

  Adds support for creating state machines for attributes on any Ruby class

  

  Here's an example of how it can happen - look at the code examples in https://github.com/state-machines/state_machines - almost everything you are coding is in the DSL of that library if you are using it:

• benchmarks

  10 2,632 0.0 Makefile

  Some benchmarks of different languages

  Compare another JIT’d VM such as PyPy and it falls well behind. Not to mention the more common languages taking over the microservices realm (Go, Crystal, Elixir, etc) or the ones taking over monoliths (nodeJS, primarily).

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• are-we-fast-yet

  2 299 0.0 Java

  Are We Fast Yet? Comparing Language Implementations with Objects, Closures, and Arrays

  According to the Are-we-fast-yet benchmark suite MRI JIT Ruby 3.0 RC1 is about factor 11 slower than Node.js 12.6 and about factor 5 slower than LuaJIT 2.0, and only factor 1.4 faster than MRI Ruby 2.1.0. Here are the results: http://software.rochus-keller.ch/are-we-fast-yet_crystal_ruby_2_3_lua_node_i386_results_2020-12-23.pdf. Here is more information about the benchmark suite: https://stefan-marr.de/papers/dls-marr-et-al-cross-language-compiler-benchmarking-are-we-fast-yet/ and https://github.com/smarr/are-we-fast-yet. It's not just some random micro benchmarks, but a well designed suite with representative algorithms and ideomatic language use optimized for cross-language comparisons.

• machine-learning-with-ruby

  3 1,976 0.0 Ruby

  Curated list: Resources for machine learning in Ruby

  It actually does. https://github.com/arbox/machine-learning-with-ruby

• circe

  1 2,428 7.6 Scala

  Yet another JSON library for Scala

  

  I doubt it will be called ergonomic. Scala also has Json objects (e.g. circe), but then you will need to define your whole hierarchy of classes based on some abstract BaseObject(since you can't change existing Object) and cram all methods into it (e.g. https://github.com/circe/circe/blob/c7e6ef1f21d28635b03df36c93decf010221684b/modules/core/shared/src/main/scala/io/circe/Json.scala#L75), some overridden methods in subclasses will raise an exception (or return None: https://github.com/circe/circe/blob/c7e6ef1f21d28635b03df36c93decf010221684b/modules/core/shared/src/main/scala/io/circe/Json.scala#L290). Yeah, possible, but that's exactly what Ruby is trying to avoid.

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