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amatsuda/include_prepend_extend_nothing.rb

Created November 1, 2016 09:32
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include_prepend_extend_nothing.rb
# Question: which module would raise an error?
module I
include
end
module P
prepend
end
module X
extend
end
Raw
result.txt
% ruby -v include_prepend_extend_nothing.rb
ruby 2.4.0dev (2016-11-01 trunk 56535) [x86_64-darwin15]
include_prepend_extend_nothing.rb:10:in `extend': wrong number of arguments (given 0, expected 1+) (ArgumentError)
from include_prepend_extend_nothing.rb:10:in `<module:X>'
from include_prepend_extend_nothing.rb:9:in `<main>'
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