IsAny<T>

Overview

A type that determines whether the given type is a any type.

Syntax

type IsAny<T> = 0 extends 1 & T ? true : false;

• T: The type to check.

Examples

Example #1

// Returns `true` if the given type is `any` type.
type T0 = IsAny<any>; // true

// Otherwise returns `false`.
type T1 = IsAny<never>; // false
type T2 = IsAny<unknown>; // false
type T4 = IsAny<null>; // false
type T5 = IsAny<undefined>; // false
type T3 = IsAny<number>; // false
type T6 = IsAny<string>; // false
type T7 = IsAny<boolean>; // false
type T8 = IsAny<[]>; // false