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| [1] pry(main)> module X | |
| [1] pry(main)* def m | |
| [1] pry(main)* puts 'X1' | |
| [1] pry(main)* super | |
| [1] pry(main)* puts 'X2' | |
| [1] pry(main)* end | |
| [1] pry(main)* end | |
| => :m | |
| [2] pry(main)> class A | |
| [2] pry(main)* def self.m | |
| [2] pry(main)* puts 'A' | |
| [2] pry(main)* end | |
| [2] pry(main)* end | |
| => :m | |
| [3] pry(main)> A.singleton_class.prepend X | |
| => #<Class:A> | |
| [4] pry(main)> A.m | |
| X1 | |
| A | |
| X2 | |
| => nil |
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