Protocolswift 6.0.1Swift
ExpressibleByBooleanLiteral
A type that can be initialized with the Boolean literals true and false.
protocol ExpressibleByBooleanLiteralBool, DarwinBoolean, ObjCBool, and WindowsBool are treated as Boolean values. Expanding this set to include types that represent more than simple Boolean values is discouraged.
To add ExpressibleByBooleanLiteral conformance to your custom type, implement the init(booleanLiteral:) initializer that creates an instance of your type with the given Boolean value.
Requirements
Type members
associatedtype BooleanLiteralTypeA type that represents a Boolean literal, such as
Bool.init(booleanLiteral: Self.BooleanLiteralType) Creates an instance initialized to the given Boolean value.