Monads/Maybe monad: Difference between revisions
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} |
} |
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class: |
class: |
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// after class: all are temporary for the |
// after class: all are temporary for the construction phase |
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// module with class name is the |
// module with class name is the constructor |
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// the object |
// the object constructed before enter this module |
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// but we can change it. So we return a new one. |
// but we can change it. So we return a new one. |
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module maybe { |
module maybe { |
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