``` Add Constant 1 Constant 1 eval Either monadError flatMap kotlinlang #arrow

``` Add(Constant(1), Constant(1)).eval(Either.mona...

simon.vergauwen

09/24/2017, 12:09 PM

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Add(Constant(1), Constant(1)).eval(Either.monadError())
            .flatMap { Add(Constant(it), Constant(1)).eval(Either.monadError()) }