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FabP93/GenericsAndSubtypesPart3.swift

Last active April 16, 2020 19:05
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Mixing generics and Subtypes Part 3
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GenericsAndSubtypesPart3.swift
let pushups = Array<Pushup>()
// This doesn't raise any error because built-in
// generic types are covariant.
var exercises: Array<Exercise> = pushups
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