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tkfm-yamaguchi/result.txt

Last active May 21, 2018 14:41
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It would be nil (local variable) when a method is substituted by itself in Ruby
Raw
result.txt
"method"
"a"
"local-variable"
nil
Raw
substitue_method_for_itself.rb
def a
'a'
end
p defined?(a)
p a
a = a
p defined?(a)
p a
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何故…

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