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class Duck | |
def quack | |
"Quack quack" | |
end | |
end | |
class Person | |
def quack | |
"Bad impression of Donald Duck" | |
end |
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module AAA | |
def abc | |
"abc in AAA" | |
end | |
def not_in_common | |
"not_in_common in AAA" | |
end | |
end |
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