Value and Reference Types - Swift Blog

Swift is now open source. For the latest news, visit the Swift open source blog Types in Swift fall into one of two categories: first, “value types”, where each instance keeps a unique copy of its data, usually defined as a struct, enum, or tuple. The second, “reference types”, where instances share a single copy of the data, and the type is usually defined as a class. In this post we explore the

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Types in Swift fall into one of two categories: first, “value types”, where each instance keeps a unique copy of its data, usually defined as a struct , enum , or tuple. The second, “reference types”, where instances share a single copy of the data, and the type is usually defined as a class