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//// [selfReferencingTypeReferenceInference.ts]
interface Box<T> {
__: T
}
type Recursive<T> =
| T
| Box<Recursive<T>>
type InferRecursive<T> = T extends Recursive<infer R> ? R : "never!"
// the type we are testing with
type t1 = Box<string | Box<number | boolean>>
type t2 = InferRecursive<t1>
type t3 = InferRecursive<Box<string | Box<number | boolean>>> // write t1 explicitly
// Why is t2 and t3 different??
// They have same input type!
//// [selfReferencingTypeReferenceInference.js]
// Why is t2 and t3 different??
// They have same input type!
|
