type IsNever<T> = [T] extends [never] ? true : false

Solution by eunsukimme #35244

type IsNever<T> = [T] extends [never] ? true : false;

Solution by wendao-liu #35173

type IsNever<T> = (T extends never ? true : false) extends never ? true : T extends never ? true : false

If T is never that first (T extends never ? true : false) will be resolved never directly (because distributive) , and the second one will be resolve other type not never.

Solution by 2083335157 #34878

// your answers
type IsNever<T> = [T] extends [never] ? true : false

Solution by AndreGeng #34749

type IsNever<T> = T[] extends never[] ? true : false

Solution by devshinthant #34621

// your answers
type IsNever<T> = [T] extends [never] ? true : false

Solution by gobielJonathan #34488

type IsNever<T> = [T] extends [never] ? true : false;

Solution by G00syara #34037

// 它是任何类型的子类型，但没有类型是它的子类型
type IsNever<T> = [T] extends [never] ? true : false

Solution by ouzexi #34028

// 你的答案
type IsNever<T> = [T] extends [never] ? true : false;

Solution by HelloGGG #33420

type IsNever<T extends unknown> = [T] extends [never] ? true : false

Solution by ZhulinskiiDanil #32710

type IsNever<T> = T[] extends never[] ? true : false

Solution by iwebexpert #32557

// your answers
type IsNever<T> = [T] extends [never]? true : false

Solution by pea-sys #32531

type IsNever<T> = [T] extends [never] ? true : false

• 분배법칙 막는 기본 아이디어

Solution by dev-hobin #32420

type IsNever<T> = [T] extends [never] ? true : false

Solution by jinyoung234 #31967

type IsNever<T> = [T] extends [never] ? true : false

Solution by jay0815 #31764

type IsNever<T> = [T] extends [never] ? true : false;

Solution by kai-phan #31661

type IsNever<T> = Equal<never, T>

Solution by vipulpathak113 #31530

type IsNever<T> = [T] extends [never] ? true : false;

Solution by ricky-fn #31484

type IsNever<T> = (()=> T) extends (()=> never) ? true : false;
// or
type IsNever<T> = ((a: never)=> void) extends ((a: T)=> void) ? true : false;

Solution by eward957 #31263

type IsNever<T> = [T] extends [never] ? true : false;

Solution by kai-phan #30390

type IsNever<T> = [T] extends [never] ? true : false;

Solution by kai-phan #30339

type IsNever<T extends unknown> = [T] extends [never] ? true : false;

Solution by kanishev #29905

type IsNever<T> = [T] extends [never] ? true : false

Solution by maximallain #29749

// 여기 풀이를 입력하세요
type IsNever<T> = [T] extends [never] ? true : false

Solution by eodnjs467 #29734

// your answers
type IsNever<T> = [T] extends [never] ? true : false;

Solution by LonelyFellas #29557

type IsNever<T> = [T] extends [never] ? true : false

Solution by Yirujet #29515

type IsNever<T> = [T] extends [never] ? true : false

Solution by MohammadArasteh #29512

type IsNever<T> = T extends never ? true : false;

type AA = IsNever<[]>;

Solution by sundial-dreams #29466

// your answers
note : never can not extend never  
type IsNever<T> = [T] extends  [never] ? true : false 

Solution by kerolossamir165 #28940

type IsNever<T extends unknown> = [T] extends [never] ? true : false

Solution by IvanKoigerov #28883