Alternative f => [f a] -> f a -base -containers +quickcheck
Randomly uses one of the given generators. The input list must be non-empty.
Modifies a generator using an integer seed.
Overrides the size parameter. Returns a generator which uses the given size instead of the runtime-size parameter.
Generates a value that satisfies a predicate.
Combine two generator perturbing functions, for example the results of calls to variant or coarbitrary.
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