Represents an optional type
type Z = [1, 2?]// ^^ Copy
type Z = [1, 2?]// ^^
Readonly
The type name identifier.
Protected
Implementation method for toString. needsParenthesis will be used to determine if the returned string should be wrapped in parenthesis.
toString
needsParenthesis
Return a string representation of this type.
Visit this type, returning the value returned by the visitor.
Represents an optional type