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malanjp avatar salexkidd avatar sonkm3 avatar

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listpluspy's Issues

product property

productは全要素の積を求める.
scala> list.product
res: Int = 112

max property

maxは全要素の最大値を求める.
scala> list.max
res: Int = 8

takeRight method

takeRight(n)は最後のn個の要素からなるリストを求める.
scala> list.takeRight(3)
res: List[Int] = List(7, 1, 8)

take method

take(n)は最初のn個の要素からなるリストを求める.
scala> list.take(2)
res: List[Int] = List(2, 7)

contains method

contains(x)はxが要素に含まれているかどうかを調べる.
scala> list.contains(1)
res: Boolean = true

scala> list.contains(3)
res: Boolean = false

sorted property

sortedは昇順にソートしたリストを求める.
scala> list.sorted
res: List[Int] = List(1, 2, 7, 8)

min property

minは全要素の最小値を求める.
scala> list.min
res: Int = 1

drop method

drop(n)は最初のn個の要素を除いたリストを求める.
scala> list.drop(2)
res: List[Int] = List(1, 8)

sum property

sumは全要素の和を求める.
scala> list.sum
res: Int = 18

reverse property

reverseは逆順のリストを求める (Lispのreverse).
scala> list.reverse
res: List[Int] = List(8, 1, 7, 2)

dropRight method

dropRight(n)は最後のn個の要素を除いたリストを求める.
scala> list.dropRight(3)
res: List[Int] = List(2)

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