diff --git a/snippets/rearg.md b/snippets/rearg.md
index f58ea2f58..15b7f689c 100644
--- a/snippets/rearg.md
+++ b/snippets/rearg.md
@@ -2,16 +2,10 @@
 
 Creates a function that invokes the provided function with its arguments arranged according to the specified indexes.
 
-Use `Array.reduce()` and `Array.indexOf()` to reorder arguments based on `indexes` in combination with the spread operator (`...`) to pass the transformed arguments to `fn`.
+Use `Array.map()` to reorder arguments based on `indexes` in combination with the spread operator (`...`) to pass the transformed arguments to `fn`.
 
 ```js
-const rearg = (fn, indexes) => (...args) =>
-  fn(
-    ...args.reduce(
-      (acc, val, i) => ((acc[indexes.indexOf(i)] = val), acc),
-      Array.from({ length: indexes.length })
-    )
-  );
+const rearg = (fn, indexes) => (...args) => fn(...indexes.map(idx => args[idx]));
 ```
 
 ```js
diff --git a/test/rearg/rearg.js b/test/rearg/rearg.js
index 80281fc2e..310261bf3 100644
--- a/test/rearg/rearg.js
+++ b/test/rearg/rearg.js
@@ -1,8 +1,2 @@
-const rearg = (fn, indexes) => (...args) =>
-  fn(
-    ...args.reduce(
-      (acc, val, i) => ((acc[indexes.indexOf(i)] = val), acc),
-      Array.from({ length: indexes.length })
-    )
-  );
+const rearg = (fn, indexes) => (...args) => fn(...indexes.map(idx => args[idx]));
 module.exports = rearg;