StringInterpolation in Swift 5 — Introduction
Read OriginalThis article introduces the redesigned StringInterpolation protocol in Swift 5, as per SE-0228. It explains how to make a type conform to ExpressibleByStringInterpolation by creating a StringInterpolation subtype and implementing custom `appendInterpolation` methods. A practical example demonstrates building a GitHubComment type that formats issue numbers and user mentions within string literals.
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