Chapter 11.4 The State Monad - type mismatch in example

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Sources for the PureScript book

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Open crcdng opened 6 years ago

crcdng commented 6 years ago

> :paste
… execState (do
…   sumArray [1, 2, 3]
…   sumArray [4, 5]
…   sumArray [6]) 0
… ^D
21

sumArray takes Array Number, the array values here are of type Int