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zaetrik/monads-example.ts

Created May 12, 2020 07:54
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Monads: Example
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monads-example.ts
import * as O from "fp-ts/lib/Option";
const addTwo = (x: number) => some(x + 2);
// Now we can work with nested contexts, thanks to chain/flatMap in our Monad instance
O.chain(addTwo)(O.some(5)); // => Option<number>
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