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dwbutler/constant.rb

Created January 4, 2017 15:37
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Check where a constant got changed
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constant.rb
class Config
CONSTANT = 1
def CONSTANT=(val)
fail
end
end
config = Config.new
config.CONSTANT = 2
# constant.rb:5:in `CONSTANT=': unhandled exception
# from constant.rb:10:in `<main>'
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