| forAll :: (Show a, Testable t) => Gen a -> Shrink a -> (a -> t) -> Property | |
| forAll argGen shrink prop = | |
| Property $ Gen $ \rand -> -- Create a new property that will | |
| let (rand1, rand2) = split rand -- Split the generator in two | |
| arg = runGen argGen rand1 -- Use the first generator to produce an arg | |
| tree = resultTree shrink arg prop -- Enrich the sub-property result tree | |
| in runProp tree rand2 -- Run the property with the second generator |
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