Release 202506041641

web/src/lib/assert.ts

@@ -0,0 +1,10 @@
+/**
+ * Gives an error if the type is not equal to 1.
+ *
+ * @example
+ * ```ts
+ * type _ExpectEquals = Assert<Equals<'a' | 'b', 'a'>> // Gives an error
+ * type _ExpectEquals = Assert<Equals<'a' | 'b', 'b' | 'a'>> // No error
+ * ```
+ */
+export type Assert<T extends 1> = T