#159 feat: add ConditionalPerformable to permit flow control #159
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Here's the specs and code to permit the following kinds of conditional flow control:
Check.whether(boolean).andIfSo(...).otherwise(...)
Check.whetherQuestionTrue(Question<boolean>).andIfSo(...).otherwise(...)
Check.whetherPromiseTrue(Question<PromiseLike<boolean>>).andIfSo(...).otherwise(...)
Actually - I wanted the api to be
Check.whether()
for all constructor arguments for consistency with the java api, but couldn't find a way to overload the different types. Can you suggest a tweak for this please @jan-molak ?