Fixes on tsdoc examples

types/object.d.ts

@@ -313,7 +313,7 @@ export type Mapped< Keys extends string, T > = { [ K in Keys ]: T };
  * 
  * @example
  * const stringValidator: PartiallyMapped< 'username' | 'email', ( field: string ) => boolean > = {
- *   username: ( field: string ) => regex.validate( 'username', field )
+ *   username: ( field: string ) => /usernameregex/.test( field )
  * };
  */
 export type PartiallyMapped< Keys extends string, T > = { [ K in Keys ]?: T };

types/union.d.ts

@@ -198,7 +198,7 @@ export type UnionHas< U, T > = [ T ] extends [ U ] ? true : false;
  * @example
  * type A = 'a' | 'b' | 'c';
  * type B = 'a' | 'x';
- * type C = UnionDifference< A, B >;  // 'a'
+ * type C = UnionIntersect< A, B >;  // 'a'
  */
 export type UnionIntersect< A, B > = A extends B ? A : never;
 

types/util.d.ts

@@ -130,8 +130,8 @@ export type Flatten< T > = T extends any[] ? { [ K in keyof T ]: T[ K ] } : T;
  * @template T - Type to widen
  * 
  * @example
- * type A = Narrow< 'hello' >;  // string
- * type B = Narrow< true >;     // boolean
+ * type A = Widen< 'hello' >;  // string
+ * type B = Widen< true >;     // boolean
  */
 export type Widen< T > =
     T extends string ? string