Hyperlinkv0.8.0-beta.28

Cause

Cause.isUnknownErrorconsteffect/Cause.ts:1738
(u: unknown): u is UnknownError

Checks whether an arbitrary value is an UnknownError.

Example (Checking the runtime type)

import { Cause } from "effect"

console.log(Cause.isUnknownError(new Cause.UnknownError("x"))) // true
console.log(Cause.isUnknownError("nope")) // false
guards
Source effect/Cause.ts:17381 lines
export const isUnknownError: (u: unknown) => u is UnknownError = effect.isUnknownError