Removed pkgs functions

packages/writeCppScriptBin/default.nix

@@ -0,0 +1,36 @@
+{
+  stdenv,
+  gcc,
+  writeText,
+  lib,
+  ...
+}:
+with lib;
+  {
+    name,
+    code,
+    buildInputs ? [],
+    cxxFlags ? "-std=c++23 -O2 -Wall",
+  }:
+    stdenv.mkDerivation {
+      pname = name;
+      version = "1.0";
+      src = writeText "${name}.cpp" code;
+      inherit buildInputs;
+      nativeBuildInputs = [gcc];
+
+      buildPhase = ''
+        mkdir -p build
+        $CXX ${cxxFlags} -o ${name} $src \
+          ${concatStringsSep " " (map (lib: "-I${lib}/include") buildInputs)} \
+          ${concatStringsSep " " (map (lib: "-L${lib}/lib") buildInputs)} \
+          ${concatStringsSep " " (map (lib: "-l" + builtins.baseNameOf lib) buildInputs)}
+      '';
+
+      dontUnpack = true;
+
+      installPhase = ''
+        mkdir -p $out/bin
+        cp ${name} $out/bin/
+      '';
+    }