IsFalse.md

typelab / assertions / IsFalse

type IsFalse<T> = _IsTrue<IfFalse<T, true, false>>;

Checks if a given type T is the literal false.

Type Parameters

Type Parameter	Description
T	The type to be checked.

Returns

true if T is the literal false, false otherwise.

Example

type Valid = IsFalse<false>; // true
type Invalid = IsFalse<boolean>; // false