Monads/Writer monad: Difference between revisions
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println("$a => $b => $c") |
println("$a => $b => $c") |
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println(bind(f2, "after plus 8", bind(f1, "after times 7", unit(3, "after intialization")))) |
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</lang>{{out}} |
</lang>{{out}} |
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<pre> |
<pre> |
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after intialization: 3 => after intialization, after times 7: 21 => after intialization, after times 7, after plus 8: 29 |
after intialization: 3 => after intialization, after times 7: 21 => after intialization, after times 7, after plus 8: 29 |
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after intialization, after times 7, after plus 8: 29 |
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</pre> |
</pre> |
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