A type alias declaration.

public struct Typealias:​ Declaration, Hashable, Codable

Codable, CustomStringConvertible, Declaration, ExpressibleBySyntax, Hashable

Creates an instance initialized with the given syntax node.

public init(_ node:​ TypealiasDeclSyntax)

The declaration attributes.

let attributes:​ [Attribute]

The declaration modifiers.

let modifiers:​ [Modifier]

The declaration keyword ("typealias").

let keyword:​ String

The type alias name.

let name:​ String

The initialized type, if any.

let initializedType:​ String?

The generic parameters for the declaration.

let genericParameters:​ [GenericParameter]

For example, the following typealias declaration has a single generic parameter whose name is "T" and type is "Comparable":​

typealias SortableArray<T:​ Comparable> = Array<T>

The generic parameter requirements for the declaration.

let genericRequirements:​ [GenericRequirement]

For example, the following typealias declaration has a single requirement that its generic parameter identified as "T" conforms to the type identified as "Numeric":​

typealias ArrayOfNumbers<T> = Array<T> where T:​ Numeric

var description:​ String