fastruby | Fastruby , fast execution of ruby code
kandi X-RAY | fastruby Summary
kandi X-RAY | fastruby Summary
Fastruby, fast execution of ruby code (please, killme)
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Top functions reviewed by kandi - BETA
- Convert a C value into a Cuple .
- convert a cc method to a Ruby object
- Initialize a function
- Convert a Ruby call to a Ruby hash
- Builds a graph
- Build a graph
- Returns the unique identifier for this module .
- Convert an object into a node .
- Iterate through the edges of the given block
fastruby Key Features
fastruby Examples and Code Snippets
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QUESTION
For testing purposes, I want to install a Ruby environment based on a past date. For instance, Ruby 2.5.0p0 came out in 2017-12-25 and somewhere I read that Rails 5.2.6 is the version to use with it. What I want is a programmatic way to know what version/date of a gem should go with what version of Ruby. Am I missing some super easy way to do this?
Edit:
My idea to test in a Ruby environment that would have existed at a certain date seems to be intractable and is possibly unnecessary. So what I will do is run through a few major Ruby releases and install their best Rails versions and let all the other gems float to whatever versions get dragged in.
...ANSWER
Answered 2021-Jun-07 at 15:59Rails, and all other gems, can state a minimum required ruby version. This will be taken into consideration automatically when running bundle update
.
However, there are two problems:
Library authors don't always do this perfectly -- so it's possible you might run a modern gem with an ancient ruby version, and only discover the incompatibility at runtime.
Library authors cannot predict the future; they might correctly specify a minimum required ruby version, but they cannot possibly know a maximum compatible ruby version in advance.
However, there is a silver lining: Ruby is pretty good at backwards compatibility. So unless you try to run a big project with ancient libraries and modern ruby (e.g. a rails 4 project using ruby 2.7), you're unlikely to have much problems here.
And also, as I suggest above, this is only likely to be an issue with large gems, such as the rails framework. It's fairly well documented which minimum version of ruby is supported by each major rails release:
Rails 7 requires Ruby 2.7.0 or newer.
Rails 6 requires Ruby 2.5.0 or newer.
Rails 5 requires Ruby 2.2.2 or newer.
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Install fastruby
On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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