From a128a3f234afb3d0a1d67b8b36e93cc629d0186d Mon Sep 17 00:00:00 2001
From: adisbladis <adisbladis@gmail.com>
Date: Mon, 11 Dec 2023 16:42:13 +1300
Subject: [PATCH] lib.isConvertibleToString: Statically compute types list

---
 lib/strings.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/strings.nix b/lib/strings.nix
index 3403f9f32bb6..0e357daf8d9b 100644
--- a/lib/strings.nix
+++ b/lib/strings.nix
@@ -977,9 +977,11 @@ rec {
      Many types of value are coercible to string this way, including int, float,
      null, bool, list of similarly coercible values.
   */
-  isConvertibleWithToString = x:
+  isConvertibleWithToString = let
+    types = [ "null" "int" "float" "bool" ];
+  in x:
     isStringLike x ||
-    elem (typeOf x) [ "null" "int" "float" "bool" ] ||
+    elem (typeOf x) types ||
     (isList x && lib.all isConvertibleWithToString x);
 
   /* Check whether a value can be coerced to a string.