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QCheck2: how to build a generator with a custom shrinker? #222

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vch9 opened this issue Jan 14, 2022 · 0 comments
Open

QCheck2: how to build a generator with a custom shrinker? #222

vch9 opened this issue Jan 14, 2022 · 0 comments

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@vch9
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vch9 commented Jan 14, 2022

Lets say I want to use my own shrinker (e.g. shrink a list from the start to the end), what should I use?

My first thought was to use make_primitive but it requires a gen: Random.State.t -> 'a instead of a QCheck2.Gen.t.

I know a convenient solution is to use QCheck but in my particular use we plan to use QCheck2 everywhere, thus, wipe every use of QCheck.
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