niwatako niwatako

takasek / CodePiece.swift

Created October 4, 2016 09:40

やっぱり、他の数値型と違って、Boolをas NSNumberしたときだけは、同値は同一のclassインスタンスになるようだ #CodePiece

	let num = 1 as NSNumber

	num === num
	//true

	(num as Int as NSNumber) === (num as Int as NSNumber)
	//false

	(num as UInt as NSNumber) === (num as UInt as NSNumber)
	//false