Define Rest<T, K> as Pick<T, Exclude<keyof T, K>> to ensure it is homomorphic

Author: ahejlsberg

src/lib/es5.d.ts

@@ -1416,13 +1416,6 @@ type Pick<T, K extends keyof T> = {
     [P in K]: T[P];
 };
 
-/**
- * From T, omit a set of properties whose keys are in the union K
- */
-type Rest<T, K extends keyof T> = {
-    [P in Exclude<keyof T, K>]: T[P];
-};
-
 /**
  * Construct a type with a set of properties K of type T
  */
@@ -1445,6 +1438,11 @@ type Extract<T, U> = T extends U ? T : never;
  */
 type NonNullable<T> = T extends null | undefined ? never : T;
 
+/**
+ * From T, pick all properties except those in the union K
+ */
+type Rest<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
+
 /**
  * Obtain the parameters of a function type in a tuple
  */