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On This Page この項には
func wrappedSum() -> Scalar
Scalar
FixedWidthInteger
Equivalent to indices.reduce(into: 0) { $0 &+= self[$1] }. indices.reduce(into: 0) { $0 &+= self[$1] }に等しい。
indices.reduce(into: 0) { $0 &+= self[$1] }