Skip to solution
hardFrontend

What are recursive types?

441 views
01

Understand the problem

Explain recursive types.

recursive-types
02

Attempt it yourself

Sketch your approach before reading the solution — that's what interviews test.

Nudge consolestandby

Stuck? Beam a request up — the console returns a conceptual nudge that guides your logic without spoiling the implementation.

03

Study the solution

A recursive type references itself, modeling nested structures like JSON or trees: type Json = string | number | boolean | null | Json[] | { [k: string]: Json }. TypeScript supports recursion with depth limits to stay decidable.

Solution ready — 2 min read

Classified // press E to declassify

04

Join the discussion

Discussion (0)

Sign in to join the discussion.

No responses yet. Be the first to share what you think.

Transmission complete // awaiting log

KEEP THE
STREAK ALIVE.

Dossier 61 of 70 decoded in the TypeScript track. One more won't hurt.

Back to track