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fixed the satisfy parser to handle predicates #139

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fixed the satisfy parser to handle predicates #139

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2 changes: 1 addition & 1 deletion _chapters/parsercombinators.md
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Original file line number Diff line number Diff line change
Expand Up @@ -276,7 +276,7 @@ We can generalise the `is` parser to handle a predicate
satisfy :: (Char -> Bool) -> Parser Char
satisfy predicate = do
c <- character
let next = if f c then pure else unexpectedCharParser
let next = if predicate c then pure else unexpectedCharParser
next c


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