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haranicle/CodePiece.swift

Created February 16, 2016 10:07
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これもダメと #CodePiece
Raw
CodePiece.swift
protocol P1 {
}
protocol P2 {
typealias A = P1 // Selfでも同様
}
let arr1: Array<P1> = []
let arr2: Array<P2> = [] // Protocol 'P2' can only be used as a generic constraint because it has Self or associated type requirements
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