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Feature #14332
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Module.used_refinements to list refinement modules
Feature #14332: Module.used_refinements to list refinement modules
Description
Module.used_modules was added in #7418.
But I think Module.used_refinements is more useful or at least complementary.
Refinements were implemented in TruffleRuby, and I found Module.used_refinements so useful that I left it there.
Instead of listing namespace modules (arguments to #using), it lists the refinement modules:
module Json refine Integer do def to_json to_s end end refine String do def to_json inspect end end end module Fact refine Integer do def fact self <= 1 ? 1 : self * (self-1).fact end end end using Json p Module.used_modules # => [Json] p Module.used_refinements # => [#<refinement:Integer@Json>, #<refinement:String@Json>] using Fact p Module.used_modules # => [Json, Fact] p Module.used_refinements # => [#<refinement:Integer@Fact>, #<refinement:Integer@Json>, #<refinement:String@Json>] This shows which classes are refined and by which refinement namespace.
It also shows if a class has multiple active refinements in the scope.
And, last but not least, the name of the method contains "refinements".
I find used_modules hard to remember and it doesn't sound related to refinements from the name (while looking at the Module's methods).
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