IsEqual<A, B>

Overview

Returns a boolean for whether the two given types are equal.

Syntax

type IsEqual<A, B> =
  (<G>() => G extends A ? 1 : 2) extends <G>() => G extends B ? 1 : 2
    ? true
    : false;

• A: The first type to compare.
• B: The second type to compare.

Examples

Example #1

type T0 = IsEqual<number, number>; // true
type T1 = IsEqual<'1', '1'>; // true
type T2 = IsEqaul<string, number>; // false