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[Builtins] Make unlifting lazy again #6434

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[Builtins] Make unlifting lazy again #6434

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[Builtins] Make unlifting lazy again
effectfully Sep 2, 2024
74b1b77
Merge branch 'master' of https://github.com/input-output-hk/plutus in…
effectfully Sep 24, 2024
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8 changes: 1 addition & 7 deletions plutus-core/plutus-core/src/PlutusCore/Builtin/Meaning.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -294,13 +294,7 @@ instance
-- See Note [One-shotting runtime denotations].
-- Grow the builtin application within the received action and recurse on the result.
toMonoF getBoth = BuiltinExpectArgument . oneShot $ \arg ->
-- Ironically computing the unlifted value strictly is the best way of doing deferred
-- unlifting. This means that while the resulting 'ReadKnownM' is only handled upon full
-- saturation and any evaluation failure is only registered when the whole builtin
-- application is evaluated, a Haskell exception will occur immediately.
-- It shouldn't matter though, because a builtin is not supposed to throw an
-- exception at any stage, that would be a bug regardless.
toMonoF @val @args @res $! do
oneShot (toMonoF @val @args @res) $ do
(f, exF) <- getBoth
x <- readKnown arg
-- See Note [Strict application in runtime denotations].
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