I am starting to enjoy many features of Julia. I just haven’t found the best way to provide an optional return value. Lets say we have a function (improvised not compiled) function myAlg(x::Float,y::Float) if x > y z=y; reason="A"; else z=x; reason="B"; en…

You’re correct that your returnReason keyword argument will make the result type-unstable. One way you can get around this is by taking advantage of multiple dispatch by using a new type to indicate the kind of result you want. This is how, for example, Interpolations.jl works: struct RequestReason…

Best way to have an optional return value?

General Usage

kristoffer.carlsson July 6, 2018, 2:45pm 9

Yeah, sorry if I misunderstood you.

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Best way to have an optional return value?

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