import { isErr } from "https://deno.land/x/willow@0.2.1/mod.universal.ts";
Check if any value is a subclass of WillowError (return true) or not (return false)
Parameters
x: T | Error
Returns
x is WillowError
x/willow/mod.universal.ts>isErr
import { isErr } from "https://deno.land/x/willow@0.2.1/mod.universal.ts";
Check if any value is a subclass of WillowError (return true) or not (return false)