Swift-静态让和“ <

Question

我有以下代码

struct Physics {
    static let smallCoin : UInt32 = 0x1 << 1
    static let smallCoin2 : UInt32 = 0x1 << 2
    static let ground : UInt32 = 0x1 << 3
}

我想知道]的含义>

• static let
• UInt32 = 0x1 << 3

我有以下代码结构物理{static let smallCoin：UInt32 = 0x1 << 1 static let smallCoin2：UInt32 = 0x1 << 2 static let ground：UInt32 = 0x1 << 3} I ...

Answer 1

<<是左移位运算符。您可以更好地以二进制形式可视化它：