IsNever.md

typelab / assertions / IsNever

type IsNever<T> = IfNever<T, true, false>;

Checks if a given type T is a never type.

Type Parameters

Type Parameter	Description
T	The type to be checked.

Returns

true if T is a never type, false otherwise.

Example

type Valid = IsNever<never>; // true
type Invalid = IsNever<string>; // false