type-wrapper | Delegator pattern in Ruby without object schizophrenia
kandi X-RAY | type-wrapper Summary
kandi X-RAY | type-wrapper Summary
Delegator pattern in Ruby without object schizophrenia. Because Object#extend at runtime is evil.
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QUESTION
I'm trying to create Arbitrary
instances for some of my types to be used in QuickCheck
property testing. I need randomly generated UUIDs, with the constraint that all-zero (nil
) UUIDs are disallowed - that is, 00000000-0000-0000-0000-000000000000
. Therefore, I set up the following generator:
ANSWER
Answered 2020-May-12 at 11:33I generally find that in cases like this, using newtype
s to define instances of Arbitrary
composes better. Here's one I made for valid UUID
values:
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