如何在 Swift 中連接或合併數組？ - How do I concatenate or merge arrays in Swift?

問題：

If there are two arrays created in swift like this:如果像這樣在 swift 中創建了兩個數組：

var a:[CGFloat] = [1, 2, 3]
var b:[CGFloat] = [4, 5, 6]

How can they be merged to [1, 2, 3, 4, 5, 6] ?它們如何合併到[1, 2, 3, 4, 5, 6] ？

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解決方案：

參考一： https://en.stackoom.com/question/1hVio
參考二： https://stackoom.com/question/1hVio