koher · January 25, 2018 01:53
diff --git a/value-semantics.swift b/value-semantics.swift
 struct Person {
    var name: String
    var age: Int
 }

 var a = [
    Person(name: "Foo", age: 20),
    Person(name: "Bar", age: 30),
 ]

 var b = a
 b[0].age += 1

 print(a[0].age) // 20
 print(b[0].age) // 21
	struct Person {
	var name: String
	var age: Int
	}

	var a = [
	Person(name: "Foo", age: 20),
	Person(name: "Bar", age: 30),
	]

	var b = a
	b[0].age += 1

	print(a[0].age) // 20
	print(b[0].age) // 21