Protocol

ExpressibleByUnicodeScalarLiteral

A type that can be initialized with a string literal containing a single Unicode scalar value.

Declaration

protocol ExpressibleByUnicodeScalarLiteral

Overview

The String, StaticString, Character, and Unicode.Scalar types all conform to the ExpressibleByUnicodeScalarLiteral protocol. You can initialize a variable of any of these types using a string literal that holds a single Unicode scalar.

let ñ: Unicode.Scalar = "ñ"
print(ñ)
// Prints "ñ"

Conforming to ExpressibleByUnicodeScalarLiteral

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

Topics

Associated Types

associatedtype UnicodeScalarLiteralType

A type that represents a Unicode scalar literal.

Required.

Initializers

init(unicodeScalarLiteral: Self.UnicodeScalarLiteralType)

Creates an instance initialized to the given value.

Required. Default implementation provided.

Relationships

Inherited By

ExpressibleByExtendedGraphemeClusterLiteral