Download and install Ruby 2.7 on WindowsĪ full Ruby installation, as we intend to do, will take upwards of approximately 900MB of disk space.Ok, so we are getting started – so, we set up Ruby on Windows and run a simple script. There are a few ways to run Ruby on Windows (RubyInstaller, Windows Subsystem for Linux, Docker, etc.) but we will follow the simplest and most native way – to use the RubyInstaller. Note: This post was written for Ruby 2.7.4 but should work for other versions also. This post is along the same lines as the JRuby Day 0 post from earlier and also the Ruby 3.0 Day 0 post If you’re new to Ruby 2.7 on Windows, this post will help you get started with Ruby 3 on Windows, and covers the basics of installation. So, I’m updating my system from Ruby 2.6.8 to Ruby 2.7.4 as my main working version. Last week, it was announced that Ruby on Rails 7.0 would require Ruby 2.7 as the minimum supported version. However, Ruby 3.0 was a major release with lots of changes and some people are still more familiar with Ruby 2.x first. On Christmas Day 2020, the core team released version 3.0 with major improvements and new features. It has an elegant syntax that is natural to read and easy to write (from the Ruby web site). Ruby is a dynamic, open source programming language with a focus on simplicity and productivity. on | Ruby | Programming | RubyOnWindows | Ruby 2.7 on Windows: Install and Hello World.Merry Christmas, Happy Holidays, and enjoy programming with Ruby 2. With those changes, 4190 files changed, 227498 insertions(+), 99979 deletions(-) Update Unicode version and Emoji version from 11.0.0 to 12.0.0.Īdding support for U+32FF SQUARE ERA NAME REIWA.ĭate.jisx0301, Date#jisx0301, and Date.parse support the Lambda with no block in a method called with a block raises an exception. Proc.new and proc with no block in a method called with a block The following default gems were only promoted at ruby-core,.The following default gems were published on.Profile.rb was removed from standard library. Install corresponding gems to use these features. The following libraries are no longer bundled gems.Some other libraries that have no original version are also updated.RubyVM::InstructionSequence#to_binary method generates compiled binary. Improved: cache hit rate raised from 89% to 94%. Per-call-site method cache, which has been there since around 1.9, was ![]() The performance of Monitor and MonitorMixin is improved. The performance of CGI.escapeHTML is improved. The returned String is always the same for a given object. The default value of -jit-max-cache is changed from 1,000 to 100.įiber’s cache strategy is changed and fiber creation is speeded up.Īnd nil.to_s now always return a frozen String. The default value of -jit-min-calls is changed from 5 to 10,000. This optimization is still experimental and many methods are Method inlining is performed when a method is considered as pure. JIT-ed code is recompiled to less-optimized code when an ![]() To continue treating the hash as keywords,Īdd a double splat operator to avoid the warning and ensureĪ = %w(foo bar baz) e = a. Passes no keywords, and when the called method accepts keywords,Ī warning is emitted. When a method call passes a Hash at the last argument, and when it See the article “ Separation of positional and keyword arguments in Ruby 3.0” in detail. Is deprecated, and conversion will be removed in Ruby 3. Separation of positional and keyword argumentsĪutomatic conversion of keyword arguments and positional arguments May be used, and the heap may be more CoW (copy-on-write) friendly. This function compacts live objects in the heap so that fewer pages The GC.compact method is introduced for compacting the heap. Leading to high memory usage and degraded speed. Some multi-threaded Ruby programs may cause memory fragmentation, This release introduces Compaction GC which can defragment In irb you can display the referenceīesides, source lines shown by Binding#irb and inspect resultsįor core-class objects are now colorized. It is powered by reline,Ī readline-compatible library implemented in pure Ruby. ![]() Irb, the bundled interactive environment (REPL Read-Eval-Print-Loop), Pattern matching - New feature in Ruby 2.7.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |