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19 lines
873 B
Haskell
19 lines
873 B
Haskell
module Operation where
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import Prologue
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import Diff
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import Term
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-- | A single step in a diffing algorithm.
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data Operation
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a -- ^ The type of leaves in the syntax tree, typically String, but possibly some datatype representing different leaves more precisely.
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annotation -- ^ The type of annotations.
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f -- ^ The type representing another level of the diffing algorithm. Often Algorithm.
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-- | Recursively diff two terms and pass the result to the continuation.
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= Recursive (Term a annotation) (Term a annotation) (Diff a annotation -> f)
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-- | Diff two dictionaries and pass the result to the continuation.
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-- | Diff two arrays and pass the result to the continuation.
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| ByIndex [Term a annotation] [Term a annotation] ([Diff a annotation] -> f)
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| ByRandomWalkSimilarity [Term a annotation] [Term a annotation] ([Diff a annotation] -> f)
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deriving Functor
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