A type that can be initialized with a string literal.

protocol ExpressibleByStringLiteral : ExpressibleByExtendedGraphemeClusterLiteral


The String and StaticString types conform to the ExpressibleByStringLiteral protocol. You can initialize a variable or constant of either of these types using a string literal of any length.

let picnicGuest = "Deserving porcupine"

Conforming to ExpressibleByStringLiteral

To add ExpressibleByStringLiteral conformance to your custom type, implement the required initializer.