struct-static-var.swift

import Foundation

struct Hoge {
    static var staticVar = Date()
    static var staticComputedVar: Date { return Date() }
    static let staticLet = Date()
    static let staticLet2 = { return Date() }()
}

Hoge.staticVar == Hoge.staticVar // true
Hoge.staticComputedVar == Hoge.staticComputedVar // false
Hoge.staticLet == Hoge.staticLet // true
Hoge.staticLet2 == Hoge.staticLet2 // true