src/HOL/Library/Tools/lazy.hs
author haftmann
Sun, 30 Mar 2025 13:50:06 +0200
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{- Author: Pascal Stoop, ETH Zurich
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   Author: Andreas Lochbihler, Digital Asset -}
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module Lazy(Lazy, delay, force) where
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newtype Lazy a = Lazy a
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delay f = Lazy (f ())
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force (Lazy x) = x