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learnenough / learn_enough_ruby_code_listings Public

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Listing_3.14.irb

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6 lines (6 loc) · 102 Bytes

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6 lines (6 loc) · 102 Bytes

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>> if !(x.length == 0)

>> "x is not empty."

>> else

>> "x is empty."

>> end

=> "x is not empty."

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