From 95260715e6b40b94f00299f547147da86643ef37 Mon Sep 17 00:00:00 2001
From: NaiJi <naijiworld@protonmail.com>
Date: Mon, 25 Apr 2022 02:04:41 +0000
Subject: [PATCH] Add '30.nix'

---
 30.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 30.nix

diff --git a/30.nix b/30.nix
new file mode 100644
index 0000000..7816178
--- /dev/null
+++ b/30.nix
@@ -0,0 +1,10 @@
+with import <nixpkgs> { };
+let
+  listOfNumbers = [2 4 6 9 27];
+  myMap = f: l: lib.fold (x: y: [(f x)] ++ y) [] l; 
+in
+rec {
+  #your map should create the same result as the standard map function
+  example = map (x: builtins.div x 2) listOfNumbers; 
+  result = myMap (x: builtins.div x 2) listOfNumbers;
+}
\ No newline at end of file