type StringBool = "true"|"false";
interface AnyNumber { prev?: any, isZero: StringBool };
interface PositiveNumber { prev: any, isZero: "false" };
type IsZero<TNumber extends AnyNumber> = TNumber["isZero"];
type Next<TNumber extends AnyNumber> = { prev: TNumber, isZero: "false" };
type Prev<TNumber extends PositiveNumber> = TNumber["prev"];
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
let providerHandler = { | |
get: async(target, name) => { | |
console.log('load someting from remote...') | |
return new Promise( (res, rej) => { | |
setTimeout(() => res(42), 4200) | |
}) | |
}, | |
set: function (obj, prop, value) { | |
return new Promise((res, rej) => { |