Inference failure in <T>(f: (get: () => T) => T) => T #60929
Description
🔎 Search Terms
Similar/duplicate of #49618, #47599 & #30134. Sorry couldn't come up with a better title.
🕗 Version & Regression Information
Tested with TypeScript 5.7.2
⏯ Playground Link
💻 Code
declare const create: <T>(f: (get: () => T) => T) => T
let t0 = create(() => "")
// ^? string
let t1 = create(_ => "")
// ^? unknown🙁 Actual behavior
t1 is inferred as unknown
🙂 Expected behavior
t1 should be inferred as string
Additional information about the issue
This is a minimal reproduction of zustand's create...
import { create } from "zustand"
let t0 = create(() => "")
// ^? UseBoundStore<StoreApi<string>>
let t1 = create(_ => "")
// ^? UseBoundStore<StoreApi<unknown>>I'm certain this is a duplicate of one of the above mentioned issue I just want to know it's duplicate of which issue exactly