類型匹配問題
error: type mismatch; found ? : ((Int, Double), (Int, Double)) => (Int, Double) required: ((Int, AnyVal), (Int, AnyVal)) => (Int, AnyVal) 誰能幫忙解釋一下？
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error: type mismatch; found ? : ((Int, Double), (Int, Double)) => (Int, Double) required: ((Int, AnyVal), (Int, AnyVal)) => (Int, AnyVal) 誰能幫忙解釋一下？
2017-05-04
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2017-07-18
貼下上下文啊