NOTE: this package is not compatible with Elm 0.19.1

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Fuzz.Extra

Extends Fuzz with more Fuzzers

union : List a -> a -> Shrinker a -> Fuzzer a

Create a fuzzer for a union type.

type Age
    = Baby
    | Teen
    | Adult




shrinkAge : Shrinker Age
shrinkAge a =
    case a of
        Baby ->
            Teen ::: Adult ::: empty


        Teen ->
            Adult ::: empty


        Adult ->
            empty




fuzzAge : Fuzzer Age
fuzzAge =
    Fuzz.Extra.union [ Baby, Teen, Adult ] Baby shrinkAge

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