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omochi/struct-in-let-is-meaningless.swift

Created May 13, 2019 04:43
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struct-in-let-is-meaningless.swift
// HogeLib.framework
public struct S {
public let a: Int
public let b: Int
}
// YourApp
extension S {
public mutating func setA(_ a: Int) {
self = S(a: a, b: b)
}
}
var s = S(a: 0, b: 0)
s.setA(3)
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