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Fix endo example #600

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Fix endo example #600

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2 changes: 1 addition & 1 deletion ch13.md
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Expand Up @@ -299,7 +299,7 @@ Endo.empty = () => Endo(identity)
// in action

// thingDownFlipAndReverse :: Endo [String] -> [String]
const thingDownFlipAndReverse = fold(Endo(() => []), [Endo(reverse), Endo(sort), Endo(append('thing down')])
const thingDownFlipAndReverse = fold(Endo.empty(), [Endo(reverse), Endo(sort), Endo(append('thing down')])

thingDownFlipAndReverse.run(['let me work it', 'is it worth it?'])
// ['thing down', 'let me work it', 'is it worth it?']
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